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File Content: acf_field.php

<?php
/**
 * Plugin Name: ACF
 * Description: Parses acf fields (AKA custom fields)
 * Version: 1.0
 * Author: Janne Aalto
 * ModuleID: acf
 * ModuleCategory: parser
 * ModuleClassName: blcACFParser
 * ModuleContext: on-demand
 * ModuleLazyInit: true
 * ModuleAlwaysActive: true
 * ModuleHidden: true
*/

class blcACFParser extends blcParser {

var $supported_formats    = array( 'acf_field' );
	var $supported_containers = array();

/**
	 * Parse a acf value.
	 *
	 * @param string|array $content ACF value(s).
	 * @param string $base_url The base URL to use for normalizing relative URLs. If ommitted, the blog's root URL will be used.
	 * @param string $default_link_text
	 * @return array An array of new blcLinkInstance objects.
	*/
	function parse( $content, $base_url = '', $default_link_text = '' ) {
		$instances = array();

if ( ! is_array( $content ) ) {
			$content = array( $content );
		}

foreach ( $content as $value ) {
			//The complete contents of the meta field are stored in raw_url.
			//This is useful for editing/unlinking, when one may need to
			//distinguish between multiple fields with the same name.
			$raw_url = $value;

//If this is a multiline acf field take only the first line (workaround for the 'enclosure' field).
			$lines = explode( "\n", $value );
			$url   = trim( reset( $lines ) );

//Attempt to parse the URL
			$parts = @parse_url( $url );
			if ( ! $parts ) {
				//Ignore invalid URLs
				return $instances;
			}

if ( ! isset( $parts['scheme'] ) ) {
				//No scheme - likely a relative URL. Turn it into an absolute one.
				$url = $this->relative2absolute( $url, $base_url );

//Skip invalid URLs (again)
				if ( ! $url || ( strlen( $url ) < 6 ) ) {
					return $instances;
				}
			}

//The URL is okay, create and populate a new link instance.
			$instance = new blcLinkInstance();

$instance->set_parser( $this );
			$instance->raw_url   = $raw_url;
			$instance->link_text = $default_link_text;

$link_obj = new blcLink( $url ); //Creates or loads the link
			$instance->set_link( $link_obj );

$instances[] = $instance;
		}

return $instances;
	}

/**
	 * Change the URL in a acf field to another one.
	 *
	 * This is tricky because there can be multiple acf fields with the same name
	 * but different values. So we ignore $content (which might be an array of multiple
	 * acf values) and use the old raw_url that we stored when parsing the field(s)
	 * instead.
	 *
	 * @see blcACFParser::parse()
	 *
	 * @param string $content Ignored.
	 * @param string $new_url The new URL.
	 * @param string $old_url Ignored.
	 * @param string $old_raw_url The current meta value.
	 *
	 * @return array|WP_Error
	 */
	function edit( $content, $new_url, $old_url, $old_raw_url ) {
		//For multiline fields (like 'enclosure') we only want to change the first line.
		$lines = explode( "\n", $old_raw_url );
		array_shift( $lines ); //Discard the old first line
		array_unshift( $lines, $new_url ); //Insert the new URL in its place.
		$content = implode( "\n", $lines );

return array(
			'content' => $content,
			'raw_url' => $new_url,
		);
	}

/**
	 * Get the link text for printing in the "Broken Links" table.
	 *
	 * @param blcLinkInstance $instance
	 * @param string $context
	 * @return string HTML
	 */
	function ui_get_link_text( $instance, $context = 'display' ) {
		$image_html = sprintf(
			'<img src="%s" class="blc-small-image" title="%2$s" alt="%2$s"> ',
			esc_attr( plugins_url( '/images/font-awesome/font-awesome-code.png', BLC_PLUGIN_FILE_LEGACY ) ),
			__( 'Custom field', 'broken-link-checker' )
		);

$field_html = sprintf(
			'<code>%s</code>',
			$instance->container_field
		);

if ( 'email' !== $context ) {
			$field_html = $image_html . $field_html;
		}

return $field_html;
	}
}

Name	Size	Permission
acf_field.php	3796 bytes	0644
html_link.php	11775 bytes	0644
image.php	6204 bytes	0644
metadata.php	4567 bytes	0644
url_field.php	2552 bytes	0644