<?php
/**
* Contains all framework specific functions that are not part of a separate class
*
* @author ThemeFusion
* @copyright (c) Copyright by ThemeFusion
* @link https://avada.com
* @package Avada
* @subpackage Core
* @since 1.0
*/
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
if ( ! function_exists( 'fusion_get_related_posts' ) ) {
/**
* Get related posts by category
*
* @param integer $post_id Current post id.
* @param integer $number_posts Number of posts to fetch.
* @return object Object with posts info.
*/
function fusion_get_related_posts( $post_id, $number_posts = -1 ) {
$args = '';
$number_posts = (int) $number_posts;
if ( 0 === $number_posts ) {
$query = new WP_Query();
return $query;
}
$args = wp_parse_args(
$args,
apply_filters(
'fusion_related_posts_query_args',
array(
'category__in' => wp_get_post_categories( $post_id ),
'ignore_sticky_posts' => 0,
'posts_per_page' => $number_posts,
'post__not_in' => array( $post_id ),
)
)
);
// If placeholder images are disabled,
// add the _thumbnail_id meta key to the query to only retrieve posts with featured images.
if ( ! Avada()->settings->get( 'featured_image_placeholder' ) ) {
$args['meta_key'] = '_thumbnail_id'; // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key
}
return fusion_cached_query( $args );
}
}
if ( ! function_exists( 'fusion_get_custom_posttype_related_posts' ) ) {
/**
* Get related posts by a custom post type category taxonomy.
*
* @param integer $post_id Current post id.
* @param integer $number_posts Number of posts to fetch.
* @param string $post_type The custom post type that should be used.
* @return object Object with posts info.
*/
function fusion_get_custom_posttype_related_posts( $post_id, $number_posts = 8, $post_type = 'avada_portfolio' ) {
$query = new WP_Query();
$args = '';
$number_posts = (int) $number_posts;
if ( 0 === $number_posts || ! $number_posts ) {
return $query;
}
$post_type = str_replace( 'avada_', '', $post_type );
$item_cats = get_the_terms( $post_id, $post_type . '_category' );
$item_array = array();
if ( $item_cats ) {
foreach ( $item_cats as $item_cat ) {
$item_array[] = $item_cat->term_id;
}
}
if ( ! empty( $item_array ) ) {
$args = wp_parse_args(
$args,
array(
'ignore_sticky_posts' => 0,
'posts_per_page' => $number_posts,
'post__not_in' => array( $post_id ),
'post_type' => 'avada_' . $post_type,
'tax_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query
array(
'field' => 'id',
'taxonomy' => $post_type . '_category',
'terms' => $item_array,
),
),
)
);
// If placeholder images are disabled, add the _thumbnail_id meta key to the query to only retrieve posts with featured images.
if ( ! Avada()->settings->get( 'featured_image_placeholder' ) ) {
$args['meta_key'] = '_thumbnail_id'; // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key
}
$query = fusion_cached_query( apply_filters( 'fusion_related_posts_args', $args ) );
}
return $query;
}
}
if ( ! function_exists( 'fusion_attr' ) ) {
/**
* Function to apply attributes to HTML tags.
* Devs can override attr in a child theme by using the correct slug
*
* @param string $slug Slug to refer to the HTML tag.
* @param array $attributes Attributes for HTML tag.
* @return string Attributes in attr='value' format.
*/
function fusion_attr( $slug, $attributes = array() ) {
$out = '';
$attr = apply_filters( "fusion_attr_{$slug}", $attributes );
if ( empty( $attr ) ) {
$attr['class'] = $slug;
}
foreach ( $attr as $name => $value ) {
$out .= ' ' . esc_html( $name );
if ( ! empty( $value ) ) {
$out .= '="' . esc_attr( $value ) . '"';
}
}
return trim( $out );
}
}
if ( ! function_exists( 'fusion_breadcrumbs' ) ) {
/**
* Render the breadcrumbs with help of class-breadcrumbs.php.
*
* @return void
*/
function fusion_breadcrumbs() {
$breadcrumbs = Fusion_Breadcrumbs::get_instance();
$breadcrumbs->get_breadcrumbs();
}
}
if ( ! function_exists( 'fusion_strip_unit' ) ) {
/**
* Strips the unit from a given value.
*
* @param string $value The value with or without unit.
* @param string $unit_to_strip The unit to be stripped.
* @return string the value without a unit.
*/
function fusion_strip_unit( $value, $unit_to_strip = 'px' ) {
$value_length = strlen( $value );
$unit_length = strlen( $unit_to_strip );
if ( $value_length > $unit_length && 0 === substr_compare( $value, $unit_to_strip, $unit_length * ( -1 ), $unit_length ) ) {
return substr( $value, 0, $value_length - $unit_length );
} else {
return $value;
}
}
}
add_filter( 'feed_link', 'fusion_feed_link', 1, 2 );
if ( ! function_exists( 'fusion_feed_link' ) ) {
/**
* Replace default WP RSS feed link with global option RSS feed link.
*
* @param string $output Feed link.
* @param string $feed Feed type.
* @return string Return modified feed link.
*/
function fusion_feed_link( $output, $feed ) {
if ( Avada()->settings->get( 'rss_link' ) ) {
$feed_url = Avada()->settings->get( 'rss_link' );
$feed_array = array(
'rss' => $feed_url,
'rss2' => $feed_url,
'atom' => $feed_url,
'rdf' => $feed_url,
'comments_rss2' => '',
);
$feed_array[ $feed ] = $feed_url;
$output = $feed_array[ $feed ];
}
return $output;
}
}
add_filter( 'the_excerpt_rss', 'fusion_feed_excerpt' );
if ( ! function_exists( 'fusion_feed_excerpt' ) ) {
/**
* Modifies feed description, by extracting shortcode contents.
*
* @since 5.0.4
* @param string $excerpt The post excerpt.
* @return string The modified post excerpt.
*/
function fusion_feed_excerpt( $excerpt ) {
$excerpt = wp_strip_all_tags( fusion_get_post_content_excerpt( 55, true ) );
return $excerpt;
}
}
if ( ! function_exists( 'fusion_compress_css' ) ) {
/**
* Compress CSS
*
* @param string $minify CSS to compress.
* @return string Compressed CSS.
*/
function fusion_compress_css( $minify ) {
// Remove comments.
$minify = preg_replace( '!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $minify );
// Remove tabs, spaces, newlines, etc.
return str_replace( array( "\r\n", "\r", "\n", "\t", ' ', ' ', ' ' ), '', $minify );
}
}
if ( ! function_exists( 'fusion_count_widgets' ) ) {
/**
* Count number of widgets in the widget area.
*
* @param string $area_id ID of widget area.
* @return int Number of widgets.
*/
function fusion_count_widgets( $area_id ) {
global $_wp_sidebars_widgets;
if ( empty( $_wp_sidebars_widgets ) ) {
$_wp_sidebars_widgets = get_option( 'sidebars_widgets', array() ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride
}
$sidebars_widgets_count = $_wp_sidebars_widgets;
if ( isset( $sidebars_widgets_count[ $area_id ] ) ) {
return count( $sidebars_widgets_count[ $area_id ] );
}
return 0;
}
}
if ( ! function_exists( 'fusion_import_to_media_library' ) ) {
/**
* Imports a file to the media library.
*
* @param string $url The file URL.
* @param string $theme_option If we're doing this for a global option,
* specify which option that is to properly save the data.
*/
function fusion_import_to_media_library( $url, $theme_option = '' ) {
// Gives us access to the download_url() and wp_handle_sideload() functions.
require_once wp_normalize_path( ABSPATH . '/wp-admin/includes/file.php' );
$timeout_seconds = 30;
// Download file to temp dir.
$temp_file = download_url( $url, $timeout_seconds );
if ( ! is_wp_error( $temp_file ) ) {
// Array based on $_FILE as seen in PHP file uploads.
$file = array(
'name' => basename( $url ),
'type' => 'image/png',
'tmp_name' => $temp_file,
'error' => 0,
'size' => filesize( $temp_file ),
);
$overrides = array(
// Tells WordPress to not look for the POST form
// fields that would normally be present, default is true,
// we downloaded the file from a remote server, so there
// will be no form fields.
'test_form' => false,
// Setting this to false lets WordPress allow empty files, not recommended.
'test_size' => true,
// A properly uploaded file will pass this test.
// There should be no reason to override this one.
'test_upload' => true,
);
// Move the temporary file into the uploads directory.
$results = wp_handle_sideload( $file, $overrides );
if ( ! empty( $results['error'] ) ) {
return false;
}
$attachment = array(
'guid' => $results['url'],
'post_mime_type' => $results['type'],
'post_title' => preg_replace( '/\.[^.]+$/', '', basename( $results['file'] ) ),
'post_content' => '',
'post_status' => 'inherit',
);
// Insert the attachment.
$attach_id = wp_insert_attachment( $attachment, $results['file'] );
// Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
require_once wp_normalize_path( ABSPATH . '/wp-admin/includes/image.php' );
// Generate the metadata for the attachment, and update the database record.
$attach_data = wp_generate_attachment_metadata( $attach_id, $results['file'] );
wp_update_attachment_metadata( $attach_id, $attach_data );
if ( $theme_option ) {
Avada()->settings->set( $theme_option, $results['url'] );
}
return $attach_id;
}
return false;
}
}
/* Omit closing PHP tag to avoid "Headers already sent" issues. */
