<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
} // Exit if accessed directly
/* Absolute Weaver - runtime utils
 *
 *  __ added - 12/11/14
 * needed both at admin time and runtime
 */

// # CONTENTS

// # OPTIONS
// # PER PAGE OPTIONS
// # WIDGET AREA OPTIONS
// # HTML CODE AREAS
// # RUNTIME SAPI HELPER FUNCTIONS
// # PAGE WITH POSTS
// # FILTERS
// # MISC
// # OTHER UTILS

// # Absolute Weaver Globals ==============================================================
$aweaver_opts_cache     = false;    // internal cache for all settings
$aweaver_cur_page_ID    = false;    // the ID of the current page
$aweaver_cur_post_count = 0;    // to keep track of even/odd
$aweaver_cur_template   = '';    // current page template - set in functions.php setup
$aweaver_header         = array();       // as of WP 3.4
$aweaver_sticky         = false;

// # OPTIONS ==============================================================

function aweaver_getopt( $opt ) {
	global $aweaver_opts_cache;

	aweaver_opt_cache();

	if ( ! isset( $aweaver_opts_cache[ $opt ] ) ) {    // handles changes to data structure
		return false;
	}

	return $aweaver_opts_cache[ $opt ];
}

function aweaver_getopt_array( $opt ) {
	$val = aweaver_getopt( $opt );
	if ( ! $val ) {
		return array();
	}

	return unserialize( $val );
}


function aweaver_getopt_default( $opt, $default = false ) {
	$val = aweaver_getopt( $opt );
	if ( ( ! $val && strlen( $val ) == 0 ) || $val == 'default' ) {
		return $default;
	} else {
		return $val;
	}
}

function aweaver_getopt_checked( $opt ) {
	global $aweaver_opts_cache;
	aweaver_opt_cache();

	if ( ! isset( $aweaver_opts_cache[ $opt ] ) ) {    // handles changes to data structure
		return false;
	}
	if ( ! $aweaver_opts_cache[ $opt ] ) {
		return false;
	}

	return true;
}

function aweaver_getopt_expand( $opt ) {
	// special case for 'expand_' options to account for nested options
	global $aweaver_opts_cache;

	aweaver_opt_cache();

	if ( ! isset( $aweaver_opts_cache[ $opt ] ) ) {    // handles changes to data structure
		return false;
	}
	// check nested options
	$val = $aweaver_opts_cache[ $opt ];
	if ( ! $val ) {
		return $val;
	}                        // if false, then doesn't matter

	if ( in_array( $opt, array(
		'expand_header-image',
		'expand_branding',
		'expand_header-widget-area',
		'expand_header-html',
		'expand_m_primary',
	) ) ) {
		return ! ( isset( $aweaver_opts_cache['expand_header'] ) && $aweaver_opts_cache['expand_header'] );
	}

	if ( $opt == 'expand_infobar' ) {
		return ! ( isset( $aweaver_opts_cache['expand_container'] ) && $aweaver_opts_cache['expand_container'] );
	}

	if ( in_array( $opt, array( 'expand_footer_sb', 'expand_footer_html', 'expand_site-ig-wrap' ) ) ) {
		return ! ( isset( $aweaver_opts_cache['expand_footer'] ) && $aweaver_opts_cache['expand_footer'] );
	}

	return $val;
}


function aweaver_opt_cache() {
	// load the options cache - only absolute_wvr_settings in basic version
	global $aweaver_opts_cache;

	if ( ! $aweaver_opts_cache ) {
		$opt_func           = ABSOLUTE_WVR_GET_OPTION;
		$aweaver_opts_cache = apply_filters( 'aweaver_switch_theme',
			$opt_func( apply_filters( 'aweaver_options', ABSOLUTE_WVR_SETTINGS_NAME ), array() ) );    // start with the default
	}
}

function aweaver_clear_opt_cache( $who = 'unknown' ) {
	global $aweaver_opts_cache;
	$aweaver_opts_cache = false;
}

function aweaver_setopt( $opt, $val, $save = true ) {
	global $aweaver_opts_cache;
	aweaver_opt_cache();

	$aweaver_opts_cache[ $opt ] = $val;
	if ( $save ) {
		aweaver_wpupdate_option( ABSOLUTE_WVR_SETTINGS_NAME, $aweaver_opts_cache );
	}
}

function aweaver_setopt_array( $opt, $val, $save = true ) {
	aweaver_setopt( $opt, serialize( $val ), $save );
}

function aweaver_delete_all_options( $no_save = false ) {
	aweaver_clear_opt_cache( 'aweaver_delete_all_options' );

	if ( ! $no_save && current_user_can( 'manage_options' ) ) {
		$opt_func = ABSOLUTE_WVR_DELETE_OPTION;
		$opt_func( apply_filters( 'aweaver_options', ABSOLUTE_WVR_SETTINGS_NAME ) );
	}
}

function aweaver_wpupdate_option( $name, $opts ) {
	if ( current_user_can( 'manage_options' ) ) {
		$compressed = array_filter( $opts, 'aweaver_optlen' ); // filter out all null options ( strlen == 0 )
		$option     = apply_filters( 'aweaver_options', $name );
		$opt_func   = ABSOLUTE_WVR_UPDATE_OPTION;
		$opt_func( $option, $compressed );
	}
}

function aweaver_optlen( $opt ) {
	if ( ! is_array( $opt ) )     // opts can contain arrays
	{
		return strlen( $opt );
	} else {
		return 1;
	}
}

function aweaver_update_options( $id ) {
	global $aweaver_opts_cache;
	if ( ! $aweaver_opts_cache ) {
		$opt_func           = ABSOLUTE_WVR_GET_OPTION;
		$aweaver_opts_cache = $opt_func( apply_filters( 'aweaver_options', ABSOLUTE_WVR_SETTINGS_NAME ), array() );
	}
	aweaver_wpupdate_option( ABSOLUTE_WVR_SETTINGS_NAME, $aweaver_opts_cache );
}


function aweaver_save_opts( $who = '', $bump = true ) {
	// Save options
	// Here's the strategy. Using aweaver_getopt always loads the cache if it hasn't been.
	// Using aweaver_setopt will save the cache to the database by default
	// So we take advantage of this by bumping the style version, and using aweaver_setopt,
	// which saves to the database

	//$vers = aweaver_getopt( 'style_version' );
	if ( $who == 'customizer' ) {                // really need to refresh the cache
		aweaver_clear_opt_cache( $who );
		$old = aweaver_getopt( 'style_date' ); // and reload the cache
	}

	aweaver_setopt( 'last_option', ABSOLUTE_WVR_THEMENAME );        // just be sure - needed for first time install

	aweaver_setopt( 'style_date', date( 'Y-m-d-H:i:s' ), $bump );

	aweaver_fwrite_current_css( $bump );            // and save the file

	do_action( 'aweaver_save_mcecss' );        // theme support plugin saved editor css in file
	do_action( 'aweaver_save_gutenberg_css' );

}

function aweaver_e_opt( $opt, $str ) {
	if ( aweaver_getopt_checked( $opt ) ) {
		echo $str;
	}
}

function aweaver_e_notopt( $opt, $str ) {
	if ( ! aweaver_getopt_checked( $opt ) ) {
		echo $str;
	}
}

function aweaver_fwrite_current_css( $bump = true ) {
	// write the current generated CSS to a file - called only from Weaver Admin

	if ( ! current_user_can( 'edit_theme_options' ) ) {
		return '';
	}

	if ( $bump ) {
		$vers = aweaver_getopt( 'style_version' );
		$vers = $vers ? $vers + 1 : 1;    // bump or init
		aweaver_setopt( 'style_version', $vers );

		// put the CSS into the DB
		require_once( get_template_directory() . '/includes/generatecss.php' );    // ( Not a template file )
		unset( $GLOBALS['wvrx_css_saved'] );
		$GLOBALS['wvrx_css_saved'] = '';
		aweaver_f_write( 'wvrx_css_saved', '/* -awvr_css- */' );
		aweaver_output_style( 'wvrx_css_saved' );
		aweaver_setopt( 'wvrx_css_saved', $GLOBALS['wvrx_css_saved'] );
		unset( $GLOBALS['wvrx_css_saved'] );
	}


	$usename = ABSOLUTE_WVR_GENERATED_STYLE_FILE;

	$style = sprintf( "/* WARNING: Do not edit this file. It is dynamically generated. Any edits you make will be overwritten. */
/* This file generated using %s %s subtheme: %s */\n", ABSOLUTE_WVR_THEMENAME, ABSOLUTE_WVR_VERSION, aweaver_getopt( 'themename' ) ) .
	         aweaver_getopt( 'wvrx_css_saved' );

	aweaver_write_to_upload( $usename, $style );

	return;
}

// # PER PAGE OPTIONS =========================================================
function aweaver_get_cur_page_id() {
	global $aweaver_cur_page_ID;

	return $aweaver_cur_page_ID;
}

function aweaver_set_cur_page_id( $id ) {
	global $aweaver_cur_page_ID;
	$aweaver_cur_page_ID = $id;
}


function aweaver_get_per_page_value( $name ) {

	if ( ! ( $id = aweaver_get_cur_page_id() ) ) {
		return false;
	}

	return get_post_meta( $id, $name, true );
}

function aweaver_is_checked_page_opt( $meta_name ) {
	// the standard is to check options to hide things

	if ( ! ( $id = aweaver_get_cur_page_id() ) ) {
		return false;
	}

	$val = get_post_meta( $id, $meta_name, true );  // retrieve meta value

	return ! empty( $val );    // if value exists - 'on'
}

function aweaver_get_per_post_value( $meta_name ) {
	return get_post_meta( get_the_ID(), $meta_name, true );  // retrieve meta value
}

function aweaver_is_checked_post_opt( $meta_name ) {
	// the standard is to check options to hide things
	$val = get_post_meta( get_the_ID(), $meta_name, true );  // retrieve meta value

	return ! empty( $val );    // if value exists - 'on'
}

function aweaver_page_posts_error( $info = '' ) {
	echo( '<h2 style="color:red;">' . esc_html__( 'WARNING: error defining Custom Field on Page with Posts.', 'absolute-weaver' ) . '</h2>' );
	if ( strlen( $info ) > 0 ) {
		echo( 'More info: ' . $info . '<br />' );
	}
}


// # PAGE WITH POSTS ==============================================================

function aweaver_get_page() {
	/* get the current posts display number
	 needed for when Page with Posts is front page
	*/
	$paged = get_query_var( 'paged' );
	if ( ! isset( $paged ) || empty( $paged ) ) {
		$paged = 1;
	}
	$page = get_query_var( 'page' );
	if ( $page > 1 ) {
		$paged = $page;
	}

	return $paged;
}

function aweaver_setup_post_args( $args ) {
	/* setup WP_Query arg list */

	$cats = aweaver_get_page_categories();
	if ( ! empty( $cats ) ) {
		$args['cat'] = $cats;
	}

	$tags = aweaver_get_page_tags();
	if ( ! empty( $tags ) ) {
		$args['tag'] = $tags;
	}

	$onepost = aweaver_get_page_onepost();
	if ( ! empty( $onepost ) ) {
		$args['name'] = $onepost;
	}

	$orderby = aweaver_get_page_orderby();
	if ( ! empty( $orderby ) ) {
		$args['orderby'] = $orderby;
	}

	$order = aweaver_get_page_order();
	if ( ! empty( $order ) ) {
		$args['order'] = $order;
	}

	$author_name = aweaver_get_page_author();
	if ( ! empty( $author_name ) ) {
		$nosp    = str_replace( ' ', '', $author_name );
		$id_list = str_replace( ',', '', $nosp );
		if ( is_numeric( $id_list ) ) {
			$args['author'] = $author_name;
		} else {
			$args['author_name'] = $author_name;
		}
	}

	$posts_per_page = aweaver_get_page_posts_per();
	if ( ! empty( $posts_per_page ) ) {
		$args['posts_per_page'] = $posts_per_page;
	}

	$post_type = aweaver_get_per_page_value( '_pp_post_type' );
	if ( $post_type ) {
		$args['post_type'] = $post_type;
	}

	if ( aweaver_is_checked_page_opt( '_pp_hide_sticky' ) ) {
		$args['ignore_sticky_posts'] = true;
	}

	return $args;
}

function aweaver_get_page_categories() {
	$cats = aweaver_get_per_page_value( '_pp_category' );
	if ( empty( $cats ) ) {
		return '';
	}

	// now convert slugs to ids
	return aweaver_cat_slugs_to_ids( $cats );
}

function aweaver_cat_slugs_to_ids( $cats ) {
	if ( empty( $cats ) ) {
		return '';
	}

	// now convert slugs to numbers
	$cats     = str_replace( ' ', '', $cats );
	$clist    = explode( ',', $cats );    // break into a list
	$cat_list = '';
	foreach ( $clist as $slug ) {
		$neg = 1;    // not negative
		if ( $slug[0] == '-' ) {
			$slug = substr( $slug, 1 );    // zap the -
			$neg  = - 1;
		}
		if ( strlen( $slug ) > 0 && is_numeric( $slug ) ) { // allow both slug and id
			$cat_id = $neg * ( int ) $slug;
			if ( $cat_list == '' ) {
				$cat_list = strval( $cat_id );
			} else {
				$cat_list .= ',' . strval( $cat_id );
			}
		} else {
			$cur_cat = get_category_by_slug( $slug );
			if ( is_object( $cur_cat ) ) {
				$cat_id = $neg * ( int ) $cur_cat->cat_ID;
				if ( $cat_list == '' ) {
					$cat_list = strval( $cat_id );
				} else {
					$cat_list .= ',' . strval( $cat_id );
				}
			}
		}
	}
	if ( empty( $cat_list ) ) {
		$cat_list = '99999999';
	}

	return $cat_list;
}

function aweaver_get_page_tags() {
	$tags = aweaver_get_per_page_value( '_pp_tag' );
	if ( empty( $tags ) ) {
		return '';
	}

	return str_replace( ' ', '', $tags );
}

function aweaver_get_page_onepost() {
	$the_post = aweaver_get_per_page_value( '_pp_onepost' );
	if ( empty( $the_post ) ) {
		return '';
	}

	return $the_post;
}

function aweaver_get_page_orderby() {
	$orderby = aweaver_get_per_page_value( '_pp_orderby' );
	if ( empty( $orderby ) ) {
		return '';
	}

	if ( $orderby == 'author' || $orderby == 'date' || $orderby == 'title' || $orderby == 'rand' ) {
		return $orderby;
	}
	aweaver_page_posts_error( esc_html__( 'orderby must be author, date, title, or rand. You used: ', 'absolute-weaver' ) . $orderby );

	return '';
}

function aweaver_get_page_order() {
	$order = aweaver_get_per_page_value( '_pp_sort_order' );
	if ( empty( $order ) ) {
		return '';
	}
	if ( $order == 'ASC' || $order == 'DESC' ) {
		return $order;
	}
	aweaver_page_posts_error( esc_html__( 'order value must be ASC or DESC. You used: ', 'absolute-weaver' ) . $order );

	return '';
}

function aweaver_get_page_posts_per() {
	$ppp = aweaver_get_per_page_value( '_pp_posts_per_page' );
	if ( empty( $ppp ) ) {
		return '';
	}

	// now convert slugs to numbers
	return $ppp;
}

function aweaver_get_page_author() {
	$author = aweaver_get_per_page_value( '_pp_author' );
	if ( empty( $author ) ) {
		return '';
	}

	return $author;
}


// # FILTERS ==============================================================

//  ============ validation filters ===============

function aweaver_filter_textarea( $text ) {
	// virtually all option text input from Absolute Weaver can be code, and thus must not be
	// content filtered. Treat like code for now....
	return aweaver_filter_code( $text );
}


function aweaver_filter_head( $text ) {

	$allowed_head_tags = array(
		'title'    => array(),
		'style'    => array( 'media' => true, 'scoped' => true, 'type' => true ),
		'meta'     => array(
			'charset'    => true,
			'content'    => true,
			'http-equiv' => true,
			'name'       => true,
			'scheme'     => true,
			'property'   => true,
		),
		'link'     => array( 'href' => true, 'rel' => true, 'type' => true, 'title' => true, 'media' => true, 'id' => true, 'class' => true, 'sizes' => true, 'crossorigin' => true, 'hreflang' => true ),
		'script'   => array( 'async' => true, 'charset' => true, 'defer' => true, 'src' => true, 'type' => true ),
		'noscript' => array(),
		'base'     => array( 'href' => true, 'target' => true ),
	);

	// restrict head code to valid stuff for <head>

	$noslash = trim( stripslashes( $text ) );

	if ( $noslash == '' ) {
		return '';
	}

	if ( current_user_can( 'unfiltered_html' ) ) {
		if ( strpos( $noslash, '<script' ) !== false ) {
			return wp_check_invalid_utf8( $noslash );
		}    // stop <script>s from being broken

		return wp_kses( $noslash, $allowed_head_tags );
	} else {
		return '';
	}
}

function aweaver_filter_code( $text ) {
	// Much option input from Absolute Weaver can be code, and thus must not be
	// content filtered - at least for admins. The utf8 check is about the extent of it, although even
	// that is more restrictive than the standard text widget uses.
	// Note: this check also works OK for simple checkboxes/radio buttons/selections,
	// so it is ok to blindly pass those options in here, too.
	//$noslash = trim( stripslashes( $text ) );
	$trimmed = trim( $text );

	if ( $trimmed == ' ' ) {
		return '';
	}

	if ( current_user_can( 'unfiltered_html' ) ) {
		return wp_check_invalid_utf8( $trimmed );
	} else {
		return wp_filter_post_kses( $trimmed );
		//return wp_kses( $trimmed, 'post' ); // wp_filter_post_kses() handles slashes
	}
}

function aweaver_echo_css( $css ) {
	if ( is_multisite() ) {
		// non-superadmins have some filtering on CSS - this will fix it.
		//$css = stripslashes( $css );
		$css = str_replace( array( '&lt;', '&gt;' ), array( '<', '>' ), $css );
	}
	echo $css;
}

// # MISC ==============================================================

function aweaver_trusted_echo( $echo_this ) {
	// this is used to echo trusted text that usually has HTML tags in it, possibly trusted <script>
	echo $echo_this;
}

function aweaver_trusted( $ret_this ) {
	// this is used to return trusted text that usually has HTML tags in it, possibly trusted <script>
	return $ret_this;
}

function aweaver_filter_text( $string ) {
	// filter text, mostly from translations, to allowed html - excludes things like <script>, <style>, <inline>
	return wp_kses( $string, 'post' );
}

function aweaver_schema( $who, $echo = true, $aux = '' ) {        // added 3.1.13
	// apply schema.org info where we can.
	// NOTE: This filter MUST be defined or else the $who arg will be echoed.
	//return '';

	$ret = '';

	if ( aweaver_getopt_checked( '_no_schemea' ) )    // Oops! This is misspelled. Too late now, must stay that way...
	{
		return $aux;
	}                                // return $aux if not emitting - i.e., 'image', 'person'

	switch ( $who ) {
		case 'archive':
		case 'author':
		case 'blog':
		case 'category':
		case 'single':
		case 'tag':
			$ret = ' itemtype="https://schema.org/Blog" itemscope';
			break;

		case 'body':
			if ( is_search() ) {
				$ret = ' itemtype="https://schema.org/SearchResultsPage" itemscope';
			} else {
				$ret = ' itemtype="https://schema.org/WebPage" itemscope';
			}
			break;

		case 'branding':
			$ret = ' itemtype="https://schema.org/WPHeader" itemscope';
			break;

		case 'entry-content':
			$ret = '';    // doesnt work?? ' itemprop="mainEntityOfPage"';
			break;

		case 'footer':
			$ret = ' itemtype="https://schema.org/WPFooter" itemscope';
			break;

		case 'headline':
			$ret = ' itemprop="headline name"';
			break;

		case 'image':
			$fix = str_replace( 'src=', 'itemprop="url" src=', $aux );    // add in url prop
			$ret = '<span itemtype="https://schema.org/ImageObject" itemprop="image" itemscope>' . $fix . '</span>';
			break;

		case 'attachment':
			$ret = ' itemtype="https://schema.org/ImageObject" itemprop="image" itemscope';
			break;

		case 'mainEntityOfPage':
			$ret = '<link itemprop="mainEntityOfPage" href="' . get_permalink() . '" />';
			break;

		case 'menu':
			$ret = ' itemtype="https://schema.org/SiteNavigationElement" itemscope';
			break;

		case 'person':
			$ret = '<span itemtype="https://schema.org/Person" itemscope itemprop="author"><span itemprop="name">'
			       . $aux . '</span></span>';
			break;

		case 'post':
			if ( is_search() ) {
				$ret = ' itemtype="https://schema.org/Article" itemscope';        // searches don't want to be Blogs, just articles
			} else {
				$ret = ' itemtype="https://schema.org/BlogPosting" itemscope itemprop="blogPost"';
			}
			break;

		case 'image':
		case 'page':
			$ret = ' itemtype="https://schema.org/WebPageElement" itemscope itemprop="mainContentOfPage"';
			break;

		case 'published':// <meta itemprop="datePublished" content="2009-05-08">
			$schema = '<meta itemprop="datePublished" content="' . esc_attr( get_the_date( 'c' ) ) . '"/>' . "\n"
			          . '<meta itemprop="dateModified" content="' . esc_attr( get_the_modified_date( 'c' ) ) . '"/>' . "\n"
			          . '<span style="display:none" itemscope itemprop="publisher" itemtype="https://schema.org/Organization">'
			          . '<span itemprop="name">' . get_bloginfo( 'name' ) . "</span>";

			$logo = aweaver_get_wp_custom_logo_url();
			if ( $logo != '' ) {
				$schema .= '<img itemprop="logo" src="' . esc_url( $logo ) . '" />';
			} else {
				$schema .= '<!-- no logo defined -->';
			}
			$schema .= "</span>\n";
			$ret    = $schema;
			break;

		case 'show_posts_begin':
			$ret = '<div class="atw-show-posts-schema" itemtype="https://schema.org/Blog" itemscope > <!-- begin Blog -->' . "\n";
			break;

		case 'show_posts_end':
			$ret = '</div> <!-- end Blog -->';
			break;


		case 'sidebar':
			$ret = ' itemtype="https://schema.org/WPSideBar" itemscope';
			break;

		default:
			$ret = '';
			break;
	}

	if ( $echo ) {
		echo $ret;        // all data generated in this function - safe

		return '';
	}

	return $ret;
}


function aweaver_get_the_author() {
	// to allow person schema
	return aweaver_schema( 'person', false, esc_html( get_the_author() ) );
}

function aweaver_header_widget_area( $where_now ) {    // header.php support
	// 'top' => 'Top of Header'
	// 'after_header' => 'After Header Image'
	// 'after_html' => 'After HTML Block'
	// 'after_menu' => 'After Main Menu'

	$sb_position = aweaver_getopt_default( 'header_sb_position', 'top' );

	if ( $sb_position == $where_now ) {
		do_action( 'aweaver_alt_header_image' );                // support plugins to add alternate header image
		if ( aweaver_has_widgetarea( 'header-widget-area' ) ) {
			$p_class = aweaver_area_class( 'header_sb', 'notpad', '-none', 'margin-none' );

			if ( aweaver_getopt( 'expand_header-widget-area' ) && ! aweaver_getopt( 'expand_header' ) ) {
				$p_class .= ' wvrx-expand-full';
			}
			if ( aweaver_getopt( 'header_sb_fixedtop' ) ) {
				$p_class .= ' wvrx-fixedtop';
			}

			//aweaver_clear_both( 'header_sb' );
			aweaver_put_widgetarea( 'header-widget-area', $p_class, 'header' );
			if ( aweaver_getopt( 'header_sb_align' ) == 'float-right' ) {
				aweaver_clear_both( 'header-widget-area' );
			}
		}
	}
}

function aweaver_add_ie_scripts() {
	// Now we need to polyfill IE8. We need 2 scripts loaded AFTER the .css stylesheets. wp_enqueue_script
	// does not work because it can't add the test for < IE9. And you can't just include the code directly
	// right here because it ends up before the .css enqueues. So we use a little trick as an action for
	// wp_head which lets us put the code here, but have it emitted after the .css files.

	// Load the html5 shiv.
	wp_enqueue_script( 'html5', get_theme_file_uri( '/assets/js/html5.js' ), array(), '3.7.3' );
	wp_script_add_data( 'html5', 'conditional', 'lt IE 9' );
	wp_enqueue_script( 'respond', get_theme_file_uri( '/assets/js/respond.min.js' ), array(), '1.4.0' );
	wp_script_add_data( 'respond', 'conditional', 'lt IE 9' );

}

function aweaver_site_link( $sub = '', $site = '//weavertheme.com', $title = '', $echo = true ) {
	if ( $site == '' ) {
		$site = '//weavertheme.com';
	}
	if ( $title == '' ) {
		$title = $site;
	}
	$link = ' <a href="' . esc_url( $site . $sub ) . '" target="_blank" title="' . esc_attr( $title ) . '" rel="nofollow">' . esc_html( $title ) . '</a> ';
	if ( $echo ) {
		echo $link;
	}        // all previously escaped in this function.
	else {
		return $link;
	}
}


function aweaver_post_count_clear() {
	global $aweaver_cur_post_count;
	$aweaver_cur_post_count = 0;
}


function aweaver_post_count_bump() {
	global $aweaver_cur_post_count;
	$aweaver_cur_post_count ++;
}


function aweaver_post_count() {
	global $aweaver_cur_post_count;

	return $aweaver_cur_post_count;
}

if ( ! function_exists( 'aweaver_archive_loop' ) ) :
	function aweaver_archive_loop( $type ) {
		// output loop for archive-like pages.

		$num_cols     = aweaver_getopt( 'blog_cols' );
		$archive_cols = aweaver_getopt( 'archive_cols' );

		if ( ! $num_cols || $num_cols > 3 ) {
			$num_cols = 1;
		}

		if ( ! $archive_cols ) {
			$num_cols = 1;
		}

		$col = 0;

		aweaver_post_count_clear();
		echo( "<div class=\"wvrx-posts\">\n" );        // needed here, and all post loops to make content-n-col work with :nth-of-type


		while ( have_posts() ) {
			the_post();
			aweaver_post_count_bump();

			switch ( $num_cols ) {
				case 1:
					get_template_part( 'templates/content', get_post_format() );
					break;

				case 2:
					$col ++;
					echo( '<div class="content-2-col">' . "\n" );
					get_template_part( 'templates/content', get_post_format() );
					echo( "</div> <!-- content-2-col -->\n" );
					break;

				case 3:
					$col ++;
					echo( '<div class="content-3-col">' . "\n" );
					get_template_part( 'templates/content', get_post_format() );
					echo( "</div> <!-- content-3-col -->\n" );
					break;

				default:
					get_template_part( 'templates/content', get_post_format() );
			}   // end switch num cols


		}    // end while have posts
		echo( "</div> <!-- .wvrx-posts -->\n" );
	}
endif;

function aweaver_post_class( $hidecount = false ) {
	global $aweaver_cur_post_count;
	global $aweaver_sticky;

	if ( $aweaver_sticky )    // For page with posts - re-ordering sticky posts
	{
		$postclass = 'post-area sticky ';
	} else {
		$postclass = 'post-area ';
	}

	if ( has_post_thumbnail() ) {
		$fi = aweaver_get_per_post_value( '_pp_post_fi_location' );
		if ( ! $fi ) {
			$fi = aweaver_getopt_default( 'post_fi_location', 'content-top' );
		}
		if ( strpos( $fi, 'parallax-full' ) !== false ) {
			$postclass .= 'wvrx-fullwidth wvrx-parallax ';
		} elseif ( strpos( $fi, 'parallax' ) !== false ) {
			$postclass .= 'wvrx-parallax ';
		}

		$postclass .= "post-fi-{$fi} ";
	}

	if ( $aweaver_cur_post_count != 0 && ! $hidecount ) {
		$postclass .= 'post-' . ( ( $aweaver_cur_post_count % 2 ) ? 'odd' : 'even' ) . ' post-order-' . $aweaver_cur_post_count
		              . ' ';
	}

	$author_id = get_the_author_meta( 'ID' );
	if ( $author_id ) {
		$postclass .= "post-author-id-{$author_id} ";
	}


	return $postclass . aweaver_area_class( 'post', 'pad', '-tb', 'margin-bottom' );
}


function aweaver_use_inline_css( $css_file = '' ) {
	return aweaver_getopt_checked( '_inline_style' )
	       || ! aweaver_f_exists( $css_file )
	       || is_customize_preview();        // also force inline when customizer is active ( even in another tab! )
}


function aweaver_allow_multisite() {
	// return true if it is allowed to use on MultiSite

	$restrict = ( defined( 'ABSOLUTE_WVR_MULTISITE_RESTRICT_OPTIONS' ) ) ? ABSOLUTE_WVR_MULTISITE_RESTRICT_OPTIONS : false;

	return ( ( ! is_multisite() && current_user_can( 'install_themes' ) )
	         || ( is_multisite() && current_user_can( 'manage_network_themes' ) )
	         || ! $restrict );
}


function aweaver_help_link( $link, $info, $alt_label = '', $echo = true ) {
	/*. '<img class="entry-cat-img" src="' . esc_url( $t_dir . 'assets/images/help-1.png' ) . '" style="position:relative; top:4px; padding-left:4px;" title="Click for help" alt="Click for help" /> */

	$t_dir = aweaver_relative_url( '' ) . 'help/' . $link;

	$alt_trans = $link;

	$hash = strpos( $alt_trans, '#' );
	if ( $hash !== false ) {
		$alt_trans = substr( $alt_trans, 0, $hash ); // kill off any # anchor
	}

	$locale = apply_filters( 'theme_locale', get_locale(), 'absolute-weaver' );

	if ( aweaver_f_exists( WP_LANG_DIR . '/weaver-xtreme/' . $locale . '_' . $alt_trans ) ) {    // works for default installation
		$t_dir = content_url() . '/languages/weaver-xtreme/' . $locale . '_' . $link;
	}

	if ( ! $alt_label ) {
		$alt_label = '<span style="color:red; vertical-align: middle; margin-left:.25em;" class="dashicons dashicons-editor-help"></span>';
	}

	$out = '<a style="text-decoration:none;" href="' . esc_url( $t_dir ) . '" target="_blank" title="' . $info . '">'
	       . $alt_label . '</a>';
	if ( $echo ) {
		echo $out;
	} else {
		return $out;
	}
}


function aweaver_html_br( $count = 1 ) {
	for ( $i = 0; $i < $count; $i ++ ) {
		echo ' <br /> ';
	}
}


function aweaver_compact_post() {
	return false;        // no support for Absolute Weaver
}


function aweaver_get_first_post_image( $content = '' ) {
	if ( has_post_thumbnail() ) {
		$img = wp_get_attachment_image_src( get_post_thumbnail_id(), 'medium' );

		return '<img class="format-image-img" src="' . esc_url( $img[0] ) . '" "alt="post image" />';
	}

	if ( $content == '' ) {
		$content = do_shortcode( apply_filters( 'the_content', get_the_content( '' ) ) );
	}    // pick up wp 3.6 post format meta image
	if ( preg_match( '/<img[^>]+>/i', $content, $images ) ) {    // grab <img>s
		$src = '';
		if ( preg_match( '/src="([^"]*)"/', $images[0], $srcs ) ) {
			$src = $srcs[0];
		} elseif ( preg_match( "/src='([^']*)'/", $images[0], $srcs ) ) {
			$src = $srcs[0];
		}

		return '<img class="format-image-img" ' . $src . 'alt="post image" />';
	} else {
		return '';
	}
}


if ( ! function_exists( 'aweaver_breadcrumb' ) ) {
	function aweaver_breadcrumb( $echo = true, $pwp = '' ) {
		/* Breadcrumbs
		 * Credit: Dimox
		 *	http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
		 */
		$wrap = 'breadcrumbs';
		$bc   = '';

		$containerBefore   = '<span id="' . $wrap . '">';
		$containerAfter    = '</span>';
		$containerCrumb    = '<span class="crumbs">';
		$containerCrumbEnd = '</span>';
		$delimiter         = apply_filters( 'aweaver_breadcrumb_delimiter', '&rarr;' ); //' &raquo; ';

		$baseLink            = '';
		$hierarchy           = '';
		$currentLocation     = '';
		$currentBefore       = '<span class="bcur-page">';
		$currentAfter        = '</span>';
		$currentLocationLink = '';
		$crumbPagination     = '';

		if ( aweaver_getopt( 'menu_nohome' ) ) {
			$name = aweaver_getopt( 'info_home_label' ) ? aweaver_getopt( 'info_home_label' ) : esc_attr( get_bloginfo( 'name', 'display' ) );
		} else {
			$name = aweaver_getopt( 'info_home_label' ) ? aweaver_getopt( 'info_home_label' ) : esc_html__( 'Home', 'absolute-weaver' ); //text for the 'Home' link
		}


		global $post;

		if ( $pwp ) {
			$name = $pwp;
		}

		$bc = '';
		// Output the Base Link
		if ( is_front_page() ) {
			$bc .= $currentBefore . $name . $currentAfter;
		} else {
			$home     = home_url( '/' );
			$baseLink = '<a href="' . esc_url( $home ) . '">' . $name . '</a>';
			$bc       .= $baseLink;
		}

		// Define Category Hierarchy Crumbs for Category Archive
		if ( is_category() ) {
			global $wp_query;
			if ( is_object( $wp_query->get_queried_object() ) ) {
				$cat_obj   = $wp_query->get_queried_object();
				$thisCat   = $cat_obj->term_id;
				$thisCat   = get_category( $thisCat );
				$parentCat = get_category( $thisCat->parent );
				if ( $thisCat->parent != 0 ) {
					$hierarchy = ( $delimiter . esc_html__( 'Categories', 'absolute-weaver' ) . ' ' . get_category_parents( $parentCat, true, $delimiter ) );
				} else {
					$hierarchy = $delimiter . esc_html__( 'Categories', 'absolute-weaver' ) . ' ';
				}
			} else {
				$hierarchy = '';
			}
			// Set $currentLocation to the current category
			$currentLocation = single_cat_title( '', false );

		} // Define Crumbs for Day/Year/Month Date-based Archives
		elseif ( is_date() ) {
			// Define Year/Month Hierarchy Crumbs for Day Archive
			if ( is_day() ) {
				$date_string     = '<a href="' . esc_url( get_year_link( get_the_time( 'Y' ) ) ) . '">' . get_the_time( 'Y' ) . '</a> ' . $delimiter . ' ' . '<a href="' . get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) . '">' . get_the_time( 'F' ) . '</a> ';
				$date_string     .= $delimiter . ' ';
				$currentLocation = get_the_time( 'd' );
			} // Define Year Hierarchy Crumb for Month Archive
			elseif ( is_month() ) {
				$date_string     = '<a href="' . esc_url( get_year_link( get_the_time( 'Y' ) ) ) . '">' . get_the_time( 'Y' ) . '</a> ';
				$date_string     .= $delimiter . ' ';
				$currentLocation = get_the_time( 'F' );
			} // Set CurrentLocation for Year Archive
			elseif ( is_year() ) {
				$date_string     = '';
				$currentLocation = get_the_time( 'Y' );
			}
			$hierarchy = $delimiter . esc_html__( 'Published', 'absolute-weaver' ) . ' ' . $date_string;
		} // Define Category Hierarchy Crumbs for Single Posts
		elseif ( is_single() && ! is_attachment() ) {
			$cats = get_the_category();
			if ( $cats ) {
				$cur_cat = $cats[0];
			} else {
				$cur_cat = '';
			}
			if ( $cats ) {
				foreach ( $cats as $cat ) {
					$children = get_categories( array( 'parent' => $cat->term_id ) );
					if ( count( $children ) == 0 ) {
						$cur_cat = $cat;
						break;
					}
				}
			}
			if ( $cur_cat ) {
				$hierarchy = $delimiter . get_category_parents( $cur_cat, true, $delimiter );
			} else {
				$hierarchy = $delimiter . '';
			}
			// Note: get_the_title() is filtered to output a
			// default title if none is specified
			$currentLocation = get_the_title();
		} // Define Category and Parent Post Crumbs for Post Attachments
		elseif ( is_attachment() ) {
			$parent      = get_post( $post->post_parent );
			$cat_parents = '';
			if ( get_the_category( $parent->ID ) ) {
				$cat         = get_the_category( $parent->ID );
				$cat         = $cat ? $cat[0] : '';
				$cat_parents = get_category_parents( $cat, true, $delimiter );
			}
			$hierarchy = $delimiter . $cat_parents . '<a href="' . esc_url( get_permalink( $parent ) ) . '">' . $parent->post_title . '</a> ' . $delimiter;
			// Note: Titles are forced for attachments; the
			// filename will be used if none is specified
			$currentLocation = get_the_title();
		} // Define Current Location for Parent Pages
		elseif ( ! is_front_page() && is_page() && ! $post->post_parent ) {
			$hierarchy = $delimiter;
			// Note: get_the_title() is filtered to output a
			// default title if none is specified
			$currentLocation = get_the_title();
		} // Define Parent Page Hierarchy Crumbs for Child Pages
		elseif ( ! is_front_page() && is_page() && $post->post_parent ) {
			$parent_id   = $post->post_parent;
			$breadcrumbs = array();
			while ( $parent_id ) {
				//$page = get_page( $parent_id );
				$page          = get_post( $parent_id );
				$breadcrumbs[] = '<a href="' . esc_url( get_permalink( $page->ID ) ) . '">' . get_the_title( $page->ID ) . '</a>';
				$parent_id     = $page->post_parent;
			}
			$breadcrumbs = array_reverse( $breadcrumbs );
			foreach ( $breadcrumbs as $crumb ) {
				$hierarchy = $hierarchy . $delimiter . $crumb;
			}
			$hierarchy = $hierarchy . $delimiter;
			// Note: get_the_title() is filtered to output a
			// default title if none is specified
			$currentLocation = get_the_title();
		} // Define current location for Search Results page
		elseif ( is_search() ) {
			$hierarchy       = $delimiter . esc_html__( 'Search Results', 'absolute-weaver' ) . ' ';
			$currentLocation = get_search_query();
		} // Define current location for Tag Archives
		elseif ( is_tag() ) {
			$hierarchy       = $delimiter . esc_html__( 'Tags', 'absolute-weaver' ) . ' ';
			$currentLocation = single_tag_title( '', false );
		} // Define current location for Author Archives
		elseif ( is_author() ) {
			$hierarchy       = $delimiter . esc_html__( 'Author', 'absolute-weaver' ) . ' ';
			$currentLocation = get_the_author_meta( 'display_name', get_query_var( 'author' ) );
		} // Define current location for 404 Error page
		elseif ( is_404() ) {
			$hierarchy       = $delimiter . esc_html__( '404', 'absolute-weaver' ) . ' ';
			$currentLocation = esc_html__( 'Page not found', 'absolute-weaver' );
		} // Define current location for Post Format Archives
		elseif ( get_post_format() && ! is_home() ) {
			$hierarchy       = $delimiter . esc_html__( 'Post Formats', 'absolute-weaver' ) . ' ';
			$currentLocation = get_post_format_string( get_post_format() ) . 's';
		} else {
			global $weavrex_pwp_title;
			if ( isset( $GLOBALS['aweaver_pwp_title'] ) ) {
				$currentLocation = $delimiter . $GLOBALS['aweaver_pwp_title'];
			}

		}

// Build the Current Location Link markup
		$currentLocationLink = $currentBefore . $currentLocation . $currentAfter;

// Define breadcrumb pagination

// Define pagination for paged Archive pages
		if ( get_query_var( 'paged' ) && ! function_exists( 'wp_paginate' ) ) {
			$crumbPagination = ' - ' . esc_html__( 'Page', 'absolute-weaver' ) . ' ' . get_query_var( 'paged' );
		}

		// Define pagination for Paged Posts and Pages
		if ( get_query_var( 'page' ) ) {
			$crumbPagination = ' - ' . esc_html__( 'Page', 'absolute-weaver' ) . ' ' . get_query_var( 'page' ) . ' ';
		}

// Output the resulting Breadcrumbs

		$bc .= $hierarchy; // Output Hierarchy
		$bc .= $currentLocationLink; // Output Current Location
		$bc .= $crumbPagination; // Output page number, if Post or Page is paginated

		if ( is_rtl() ) {
			$list   = explode( $delimiter, $bc );    // split on the arrow
			$list   = array_reverse( $list );
			$larrow = apply_filters( 'aweaver_breadcrumb_delimiter_rtl', '&larr;' );
			$bc     = implode( $larrow, $list );
		}
		// Wrap crumbs
		$bc = apply_filters( 'aweaver_breadcrumbs', $containerBefore . $containerCrumb . $bc . $containerCrumbEnd . $containerAfter, $bc );

		if ( $echo ) {
			echo aweaver_trusted_echo( $bc );
		} else {
			return $bc;
		}

		return '';
	}
}

if ( ! function_exists( 'aweaver_get_paginate_archive_page_links' ) ) {
	function aweaver_get_paginate_archive_page_links( $type = 'plain', $endsize = 1, $midsize = 1 ) {
		/**
		 * Paginate Archive Index Page Links
		 *
		 * Code based on codex examples
		 */
		global $wp_query, $wp_rewrite;

		if ( isset( $wp_query->query_vars['paged'] ) ) {
			$wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1;
		} else {
			$current = 1;
		}

		// Sanitize input argument values
		if ( ! in_array( $type, array( 'plain', 'list', 'array' ) ) ) {
			$type = 'plain';
		}
		$endsize = ( int ) $endsize;
		$midsize = ( int ) $midsize;

		$big = 999999999;    // from codex - an unlikely number, then str_replace. Makes archive no permalinks work

		if ( is_search() ) { // works for search on non-permalinks...
			$base = '%_%';
		} else {
			$base = str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) );
		}

		// Setup argument array for paginate_links()
		$pagination = array(
			'base'      => $base,
			'format'    => '?paged=%#%',
			'total'     => $wp_query->max_num_pages,
			'current'   => $current,
			'show_all'  => false,
			'end_size'  => $endsize,
			'mid_size'  => $midsize,
			'type'      => $type,
			'prev_text' => '&lt;&lt;',
			'next_text' => '&gt;&gt;',
		);

		if ( ! empty( $wp_query->query_vars['s'] ) ) {
			$pagination['add_args'] = array( 's' => get_query_var( 's' ) );
		}

		return paginate_links( $pagination );
	}
}


// # MENU ==============================================================
class aweaver_Walker_Nav_Menu extends Walker {
	public $tree_type = array( 'post_type', 'taxonomy', 'custom' );
	public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );

	/**
	 * Starts the list before the elements are added.
	 */
	public function start_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat( "\t", $depth );
		$output .= "\n$indent<ul class=\"sub-menu\">\n";
	}

	/**
	 * Ends the list of after the elements are added.
	 */
	public function end_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat( "\t", $depth );
		$output .= "$indent</ul>\n";
	}

	/**
	 * Start the element output.
	 */
	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$classes   = empty( $item->classes ) ? array() : ( array ) $item->classes;
		$classes[] = 'menu-item-' . $item->ID;

		/**
		 * Filter the CSS class( es ) applied to a menu item's list item element.
		 */
		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

		/**
		 * Filter the ID applied to a menu item's list item element.
		 */
		$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

		$output .= $indent . '<li' . $id . $class_names . '>';

		$atts           = array();
		$atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
		$atts['target'] = ! empty( $item->target ) ? $item->target : '';
		$atts['rel']    = ! empty( $item->xfn ) ? $item->xfn : '';
		$atts['href']   = ! empty( $item->url ) ? $item->url : '';

		/**
		 * Filter the HTML attributes applied to a menu item's anchor element.
		 */
		$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );

		$attributes = '';
		$aclass     = '';
		foreach ( $atts as $attr => $value ) {
			if ( ! empty( $value ) ) {
				$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
				if ( $attr === 'href' && $value === '#' && aweaver_getopt( 'placeholder_cursor' ) ) {
					$aclass = ' style="cursor:' . aweaver_getopt( 'placeholder_cursor' ) . ';"';
				}
				$attributes .= ' ' . $attr . '="' . $value . '"';
			}
		}


		$item_output = $args->before;
		$item_output .= "<a{$attributes}{$aclass}>";
		/** This filter is documented in wp-includes/post-template.php */
		$item_output .= $args->link_before . do_shortcode( apply_filters( 'the_title', $item->title, $item->ID ) ) . $args->link_after;
		$item_output .= "</a>";
		$item_output .= $args->after;

		/**
		 * Filter a menu item's starting output.
		 */
		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
	}

	/**
	 * Ends the element output, if needed.
	 */
	public function end_el( &$output, $item, $depth = 0, $args = array() ) {
		$output .= "</li>\n";
	}

} // Walker_Nav_Menu

// checkv

if ( ABSOLUTE_WVR_CHECKV ) :

	require_once( 'awvr-check-version.php' );

endif;

// # FILE BLOCK I/O UTILS ==============================================================

/**
 * Save a big string to a file in the uploads/absolute-wvr-css directory
 *
 * @param string $filename , string $output
 *
 * @since Version 4
 *
 */

function aweaver_write_to_upload( $filename, $output ) {

	global $wp_filesystem;

	if ( empty( $wp_filesystem ) ) {                                /* load if not already present */
		require_once( ABSPATH . '/wp-admin/includes/file.php' );    //  ( Not a template file )
		WP_Filesystem();
	}

	$upload_dir = wp_upload_dir(); // Grab uploads folder array
	$dir        = trailingslashit( $upload_dir['basedir'] ) . 'absolute-wvr-css' . DIRECTORY_SEPARATOR; // Set storage directory path

	WP_Filesystem(); // Initial WP file system

	$wp_filesystem->mkdir( $dir ); // Make a new folder 'weavrx-subthemes' for storing our file if not created already.

	if ( ! is_writable( $dir ) ) {        // direct php access
		aweaver_f_file_access_fail( esc_html__( 'Directory not writable to save editor style file. Directory: ', 'absolute-weaver' ) . $dir );

		return;
	}

	$wp_filesystem->put_contents( $dir . $filename, $output, 0744 ); // Store in the file.
}

/* ================== File handling ================== */

function aweaver_f_file_access_fail( $who = '' ) {
	static $aweaver_f_file_access_fail_sent = false;
	if ( $aweaver_f_file_access_fail_sent ) {
		return;
	}    // only show once...
	$aweaver_f_file_access_fail_sent = true;
	?>
	<div class="error">
		<strong style="color:#f00; line-height:150%;"><?php echo aweaver_filter_text( __( '*** Absolute Weaver File Access Error! ***</strong> <small style="padding-left:20px;">( But don\'t panic! )</small>
	<p>Absolute Weaver is unable to process a file access request. Your WP host seems to have archaic file system access configured. You may need proper FTP credentials set in
	WordPress, or in your wp-config.php file. It is unusual to see this error. It may be displayed
	after you move to a new host.</p>
	<p>You may have to change the directory permissions on your web hosting server.</p>', 'absolute-weaver' ) ); ?>
			<?php echo '<p>' . esc_html__( 'Diagnostics:', 'absolute-weaver' ) . esc_html( $who ) . "</p>\n"; ?>
	</div>
	<?php
	return;
}

function aweaver_f_write( $fn, $data ) {
	if ( $fn == 'echo' ) {
		echo $data;                // may contain data that can't be escaped

		return true;
	} elseif ( $fn == 'wvrx_css_saved' ) {
		$GLOBALS['wvrx_css_saved'] .= $data;
	} elseif ( function_exists( 'aweaverplus_f_write' ) ) {
		return aweaverplus_f_write( $fn, $data );
	} else {
		return false;
	}
}

function aweaver_f_exists( $fn ) {
	// this one must use native PHP version since it is used at theme runtime as well as admin
	if ( $fn == 'echo' ) {
		return true;
	}
	// Report all errors except E_NOTICE
	error_reporting( E_ALL & ~E_WARNING );        // don't fill up the logfile !
	$exists = file_exists( $fn );
	error_reporting( E_ALL );        // don't fill up the logfile !

	return $exists;
}

function aweaver_f_get_contents( $fn ) {
	if ( $fn == 'echo' ) {
		return '';
	}
	if ( function_exists( 'aweaverplus_f_get_contents' ) ) {
		return aweaverplus_f_get_contents( $fn );
	}

	return implode( '', file( $fn ) );    // works if no newlines in the file...
}

function aweaver_alert( $msg ) {
	echo "<script> alert( '" . esc_html( $msg ) . "' ); </script>";
}

function aweaver_f_content_dir() {
	return trailingslashit( WP_CONTENT_DIR );
}

function aweaver_f_uploads_base_url() {
	$wpdir = wp_upload_dir();        // get the upload directory

	return trailingslashit( trim( $wpdir['baseurl'] ) );
}


/**
 * Return a big string from a file in the uploads/absolute-wvr-css directory
 *
 * @param string $filename
 *
 * @since Version 4
 *
 */

function aweaver_read_from_upload( $filename ) {
	global $wp_filesystem;

	if ( empty( $wp_filesystem ) ) {                                /* load if not already present */
		require_once( ABSPATH . '/wp-admin/includes/file.php' );    //  ( Not a template file )
		WP_Filesystem();
	}

	$upload_dir = wp_upload_dir(); // Grab uploads folder array
	$dir        = trailingslashit( $upload_dir['basedir'] ) . 'absolute-wvr-css' . DIRECTORY_SEPARATOR; // Set storage directory path

	if ( ! file_exists( $dir . $filename ) ) {
		return '';
	}

	WP_Filesystem(); // Initial WP file system

	$contents = $wp_filesystem->get_contents( $dir . $filename ); // Store in the file.
	if ( is_string( $contents ) ) {
		return $contents;
	}

	return '';
}

// # OTHER UTILS ==============================================================

function aweaver_debug_comment( $msg ) {
	echo "\n<!-- *************************::: " . esc_html( $msg ) . " ::: ********************** -->\n";
}

function aweaver_get_css_filename() {
	$updir = wp_upload_dir();

	return trailingslashit( $updir['basedir'] ) . 'absolute-wvr-css/' . ABSOLUTE_WVR_GENERATED_STYLE_FILE;
}

function aweaver_get_css_url() {
	$updir = wp_upload_dir();
	// make relative for https: - doesn't work right...
	$path = trailingslashit( $updir['baseurl'] ) . 'absolute-wvr-css/' . ABSOLUTE_WVR_GENERATED_STYLE_FILE;
	if ( is_ssl() ) {
		$path = str_replace( 'http:', 'https:', $path );
	}

	return $path;
}


function aweaver_get_footer( $who ) {
	get_footer( $who );
}

//--

function aweaver_generate_id() {
	if ( ! isset( $GLOBALS['wvrx_gen_id'] ) ) {
		$GLOBALS['wvrx_gen_id'] = 1;
	} else {
		$GLOBALS['wvrx_gen_id'] ++;
	}

	return $GLOBALS['wvrx_gen_id'];
}

//--

function aweaver_clear_both( $class = '' ) {
	if ( $class ) {
		echo '<div class="clear-' . esc_attr( $class ) . ' clear-both"></div>';
	} else {
		echo '<div class="clear-both"></div>';
	}
}

function aweaver_relative_url( $subpath ) {
	// generate a relative URL from the site's root
	return parse_url( trailingslashit( get_template_directory_uri() ) . $subpath, PHP_URL_PATH );
}

function aweaver_filter_css( $css ) {
	// filter user added CSS for root relative file paths

	if ( strpos( $css, '%template_directory%' ) !== false ) {
		$css = str_replace( '%template_directory%',
			parse_url( trailingslashit( get_template_directory_uri() ), PHP_URL_PATH ),
			$css );
	}
	if ( strpos( $css, '%stylesheet_directory%' ) !== false ) {
		$css = str_replace( '%stylesheet_directory%',
			parse_url( trailingslashit( get_stylesheet_directory_uri() ), PHP_URL_PATH ),
			$css );
	}
	if ( strpos( $css, '%addon_directory%' ) !== false ) {
		$css = str_replace( '%addon_directory%',
			parse_url( trailingslashit( aweaver_f_uploads_base_url() ) . 'absolute-wvr-css/addon-subthemes/', PHP_URL_PATH ),
			$css );
	}

	return $css;
}

add_filter( 'aweaver_css', 'aweaver_filter_css' );

// =============================== transient options =============================

if ( ! function_exists( 'aweaver_t_get' ) ) {    // interface to [show_posts]
	function aweaver_t_get( $opt ) {
		return isset( $GLOBALS['aspen_temp_opts'][ $opt ] ) ? $GLOBALS['aspen_temp_opts'][ $opt ] : '';
	}
}


function aweaver_check_editor_style() {        // see if we need an update...
	if ( ! ( current_user_can( 'edit_theme_options' ) && current_user_can( 'activate_plugins' ) ) || is_customize_preview() ) {
		return;
	}

	$updir = wp_upload_dir();
	$dir   = trailingslashit( $updir['basedir'] ) . 'absolute-wvr-css/editor-style-awvr.css';

	if ( ! aweaver_f_exists( $dir ) || aweaver_getopt( 'settings_version' ) != ABSOLUTE_WVR_SETTINGS_VERSION ) {    // save latest version )  {
		if ( aweaver_getopt( 'settings_version' ) != ABSOLUTE_WVR_SETTINGS_VERSION ) {
			aweaver_setopt( 'settings_version', ABSOLUTE_WVR_SETTINGS_VERSION );        // save latest version
		}
		aweaver_save_opts( 'customizer', true ); // using customizer helps force for all situations
	}
}

?>