View file File name : image-helper.php Content :<?php namespace Yoast\WP\SEO\Helpers\Open_Graph; use Yoast\WP\SEO\Helpers\Image_Helper as Base_Image_Helper; use Yoast\WP\SEO\Helpers\Url_Helper; /** * A helper object for Open Graph images. */ class Image_Helper { /** * The URL helper. * * @var Url_Helper */ private $url; /** * The base image helper. * * @var Base_Image_Helper */ private $image; /** * Image_Helper constructor. * * @codeCoverageIgnore * * @param Url_Helper $url The url helper. * @param Base_Image_Helper $image The image helper. */ public function __construct( Url_Helper $url, Base_Image_Helper $image ) { $this->url = $url; $this->image = $image; } /** * Determines whether the passed URL is considered valid. * * @deprecated 22.4 * @codeCoverageIgnore * * @param array<array<string,string|int>> $image The image array. * * @return bool Whether or not the URL is a valid image. */ public function is_image_url_valid( array $image ) { \_deprecated_function( __METHOD__, 'Yoast SEO 22.4' ); if ( empty( $image['url'] ) || ! \is_string( $image['url'] ) ) { return false; } $image_extension = $this->url->get_extension_from_url( $image['url'] ); $is_valid = $this->image->is_extension_valid( $image_extension ); /** * Filter: 'wpseo_opengraph_is_valid_image_url' - Allows extra validation for an image url. * * @param bool $is_valid Current validation result. * @param string $url The image url to validate. */ return (bool) \apply_filters( 'wpseo_opengraph_is_valid_image_url', $is_valid, $image['url'] ); } /** * Retrieves the overridden image size value. * * @return string|null The image size when overriden by filter or null when not. */ public function get_override_image_size() { /** * Filter: 'wpseo_opengraph_image_size' - Allow overriding the image size used * for Open Graph sharing. If this filter is used, the defined size will always be * used for the og:image. The image will still be rejected if it is too small. * * Only use this filter if you manually want to determine the best image size * for the `og:image` tag. * * Use the `wpseo_image_sizes` filter if you want to use our logic. That filter * can be used to add an image size that needs to be taken into consideration * within our own logic. * * @param string|false $size Size string. */ return \apply_filters( 'wpseo_opengraph_image_size', null ); } /** * Retrieves the image data by a given attachment id. * * @param int $attachment_id The attachment id. * * @return array<string,string|int>|false The image data when found, `false` when not. */ public function get_image_by_id( $attachment_id ) { if ( ! $this->image->is_valid_attachment( $attachment_id ) ) { return false; } $override_image_size = $this->get_override_image_size(); if ( $override_image_size ) { return $this->image->get_image( $attachment_id, $override_image_size ); } return $this->image->get_best_attachment_variation( $attachment_id ); } }