File lib/hooks/hook-external-links.php | Easy Property Listings 3.5.13 Code Reference

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<?php /** * Hook for External Link Buttons on Property Templates * * @package EPL * @subpackage Hooks/ExternalLinks * @copyright Copyright (c) 2020, Merv Barrett * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License * @since 1.0.0 */ // Exit if accessed directly. if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Outputs any external links for virtual tours on the property templates * * When the hook epl_buttons_single_property is used and the property * has external links they will be output on the template * * @since 1.0.0 * @since 3.4.25 filter epl_show_{key} e.g. epl_show_property_external_link to disable button rendering. * @since 3.4.38 Added filter epl_external_link_keys to support additional external links. * @since 3.5 Fix for label to use esc_html instead of esc_attr. */ function epl_button_external_link() { $keys = apply_filters( 'epl_external_link_keys', array( 'property_external_link', 'property_external_link_2', 'property_external_link_3', ) ); foreach ( $keys as $key ) { $link = get_post_meta( get_the_ID(), $key, true ); $count = 'property_external_link' === $key ? '' : substr( $key, - 1 ); $default = __( 'Tour ', 'easy-property-listings' ) . $count; $meta_label = get_post_meta( get_the_ID(), $key . '_label', true ); $meta_label = empty( $meta_label ) ? $default : $meta_label; if ( is_array( $link ) ) { // Fallback if metadata is saved as an array. if ( ! empty( $link['image_url_or_path'] ) ) { $link = $link['image_url_or_path']; } else { $link = ''; } } if ( ! empty( $link ) && apply_filters( 'epl_show_' . $key, true ) ) { ?> <button type="button" class="epl-button epl-external-link" onclick="window.open('<?php echo esc_url( $link ); ?>')"> <?php if ( has_filter( 'epl_button_label_' . $key ) ) { $label = apply_filters( 'epl_button_label_' . $key, $meta_label ); } else { $label = apply_filters( 'epl_button_label_tour', $meta_label ); } ?> <?php echo esc_html( $label ); ?> </button> <?php } } } add_action( 'epl_buttons_single_property', 'epl_button_external_link' );

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