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File Content: `url_field.php`

<?php
/**
 * Plugin Name: URL fields
 * Description: Parses data fields that contain a single, plaintext URL.
 * Version: 1.0
 * Author: Janis Elsts
 *
 * ModuleID: url_field
 * ModuleCategory: parser
 * ModuleClassName: blcUrlField
 * ModuleContext: on-demand
 * ModuleLazyInit: true
 * ModuleAlwaysActive: true
 * ModuleHidden: true
*/

/**
 * A "parser" for data fields that contain a single, plaintext URL.
 *
 * Intended for parsing stuff like bookmarks and comment author links.
 *
 * @package Broken Link Checker
 * @access public
 */
class blcUrlField extends blcParser {
	var $supported_formats = array( 'url_field' );

	/**
	 * "Parse" an URL into an instance.
	 *
	 * @param string $content The entire content is expected to be a single plaintext URL.
	 * @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();

		$url     = trim( $content );
		$raw_url = trim( $content );

		//Attempt to parse the URL
		$parts = @parse_url( $url );

		if ( ! $parts ) {
			return $instances; //Ignore invalid URLs
		}

		if ( ! isset( $parts['scheme'] ) ) {
			//No sheme - 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 one URL to another (just returns the new URL).
	 *
	 * @param string $content The old URL.
	 * @param string $new_url The new URL.
	 * @param string $old_url Ignored.
	 * @param string $old_raw_url Ignored.
	 *
	 * @return array|WP_Error
	 */
	function edit( $content, $new_url, $old_url, $old_raw_url ) {
		return array(
			'content' => $new_url,
			'raw_url' => $new_url,
		);
	}

	/**
	 * For URL fields, "unlinking" simply means blanking the field.
	 * (However, invididual link containers may implement a different logic for those fields.)
	 */
	function unlink( $content, $url, $raw_url ) {
		return '';
	}
}
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
File Content: url_field.php

File Content: `url_field.php`
