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<?php namespace Yoast\WP\SEO\Values; use Yoast\WP\SEO\Helpers\Image_Helper; use Yoast\WP\SEO\Helpers\Url_Helper; /** * Class Images * * Value object for the Images. */ class Images { /** * The image size. * * @var string */ public $image_size = 'full'; /** * Holds the images that have been put out as image. * * @var array */ protected $images = []; /** * The image helper. * * @var Image_Helper */ protected $image; /** * The URL helper. * * @var Url_Helper */ protected $url; /** * Images constructor. * * @codeCoverageIgnore * * @param Image_Helper $image The image helper. * @param Url_Helper $url The url helper. */ public function __construct( Image_Helper $image, Url_Helper $url ) { $this->image = $image; $this->url = $url; } /** * Adds an image to the list by image ID. * * @param int $image_id The image ID to add. * * @return void */ public function add_image_by_id( $image_id ) { $image = $this->image->get_attachment_image_source( $image_id, $this->image_size ); if ( $image ) { $this->add_image( $image ); } } /** * Adds an image to the list by image ID. * * @param string $image_meta JSON encoded image meta. * * @return void */ public function add_image_by_meta( $image_meta ) { $this->add_image( (array) \json_decode( $image_meta ) ); } /** * Return the images array. * * @return array The images. */ public function get_images() { return $this->images; } /** * Check whether we have images or not. * * @return bool True if we have images, false if we don't. */ public function has_images() { return ! empty( $this->images ); } /** * Adds an image based on a given URL. * * @param string $url The given URL. * * @return number|null Returns the found image ID if it exists. Otherwise -1. * If the URL is empty we return null. */ public function add_image_by_url( $url ) { if ( empty( $url ) ) { return null; } $image_id = $this->image->get_attachment_by_url( $url ); if ( $image_id ) { $this->add_image_by_id( $image_id ); return $image_id; } $this->add_image( $url ); return -1; } /** * Adds an image to the list of images. * * @param string|array $image Image array. * * @return void */ public function add_image( $image ) { if ( \is_string( $image ) ) { $image = [ 'url' => $image ]; } if ( ! \is_array( $image ) || empty( $image['url'] ) || ! \is_string( $image['url'] ) ) { return; } if ( $this->url->is_relative( $image['url'] ) && $image['url'][0] === '/' ) { $image['url'] = $this->url->build_absolute_url( $image['url'] ); } if ( \array_key_exists( $image['url'], $this->images ) ) { return; } $this->images[ $image['url'] ] = $image; } }
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