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<?php |
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/** |
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* The Image Sizes library. |
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* |
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* @package jetpack |
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*/ |
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jetpack_require_lib( 'class.jetpack-photon-image' ); |
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/** |
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* Class Jetpack_Photon_ImageSizes |
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* |
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* Manages image resizing via Jetpack CDN Service. |
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*/ |
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class Jetpack_Photon_ImageSizes { |
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/** |
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* @var array $data Attachment metadata. |
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*/ |
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public $data; |
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/** |
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* @var Image Image to be resized. |
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*/ |
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public $image; |
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/** |
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* @var null|array $sizes Intermediate sizes. |
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*/ |
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public static $sizes = null; |
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/** |
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* Construct new sizes meta |
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* |
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* @param int $attachment_id Attachment ID. |
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* @param array $data Attachment metadata. |
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*/ |
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public function __construct( $attachment_id, $data ) { |
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$this->data = $data; |
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$this->image = new Jetpack_Photon_Image( $data, get_post_mime_type( $attachment_id ) ); |
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$this->generate_sizes(); |
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} |
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/** |
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* Generate sizes for attachment. |
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* |
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* @return array Array of sizes; empty array as failure fallback. |
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*/ |
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protected function generate_sizes() { |
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// There is no need to generate the sizes a new for every single image. |
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if ( null !== self::$sizes ) { |
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return self::$sizes; |
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} |
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/* |
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* The following logic is copied over from wp_generate_attachment_metadata |
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*/ |
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$_wp_additional_image_sizes = wp_get_additional_image_sizes(); |
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$sizes = array(); |
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$intermediate_image_sizes = get_intermediate_image_sizes(); |
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foreach ( $intermediate_image_sizes as $s ) { |
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$sizes[ $s ] = array( |
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'width' => '', |
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'height' => '', |
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'crop' => false, |
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); |
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View Code Duplication |
if ( isset( $_wp_additional_image_sizes[ $s ]['width'] ) ) { |
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// For theme-added sizes. |
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$sizes[ $s ]['width'] = intval( $_wp_additional_image_sizes[ $s ]['width'] ); |
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} else { |
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// For default sizes set in options. |
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$sizes[ $s ]['width'] = get_option( "{$s}_size_w" ); |
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} |
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View Code Duplication |
if ( isset( $_wp_additional_image_sizes[ $s ]['height'] ) ) { |
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// For theme-added sizes. |
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$sizes[ $s ]['height'] = intval( $_wp_additional_image_sizes[ $s ]['height'] ); |
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} else { |
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// For default sizes set in options. |
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$sizes[ $s ]['height'] = get_option( "{$s}_size_h" ); |
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} |
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if ( isset( $_wp_additional_image_sizes[ $s ]['crop'] ) ) { |
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// For theme-added sizes. |
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$sizes[ $s ]['crop'] = $_wp_additional_image_sizes[ $s ]['crop']; |
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} else { |
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// For default sizes set in options. |
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$sizes[ $s ]['crop'] = get_option( "{$s}_crop" ); |
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} |
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} |
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self::$sizes = $sizes; |
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return $sizes; |
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} |
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/** |
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* @return array |
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*/ |
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public function filtered_sizes() { |
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// Remove filter preventing the creation of advanced sizes. |
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remove_filter( |
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'intermediate_image_sizes_advanced', |
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array( 'Jetpack_Photon', 'filter_photon_noresize_intermediate_sizes' ) |
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); |
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/** This filter is documented in wp-admin/includes/image.php */ |
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$sizes = apply_filters( 'intermediate_image_sizes_advanced', self::$sizes, $this->data ); |
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// Re-add the filter removed above. |
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add_filter( |
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'intermediate_image_sizes_advanced', |
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array( 'Jetpack_Photon', 'filter_photon_noresize_intermediate_sizes' ) |
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); |
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return (array) $sizes; |
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} |
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/** |
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* Standardises and validates the size_data array. |
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* |
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* @param array $size_data Size data array - at least containing height or width key. Can contain crop as well. |
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* |
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* @return array Array with populated width, height and crop keys; empty array if no width and height are provided. |
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*/ |
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public function standardize_size_data( $size_data ) { |
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$has_at_least_width_or_height = ( isset( $size_data['width'] ) || isset( $size_data['height'] ) ); |
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if ( ! $has_at_least_width_or_height ) { |
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return array(); |
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} |
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$defaults = array( |
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'width' => null, |
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'height' => null, |
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'crop' => false, |
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); |
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return array_merge( $defaults, $size_data ); |
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} |
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/** |
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* Get sizes for attachment post meta. |
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* |
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* @return array ImageSizes for attachment postmeta. |
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*/ |
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public function generate_sizes_meta() { |
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$metadata = array(); |
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foreach ( $this->filtered_sizes() as $size => $size_data ) { |
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$size_data = $this->standardize_size_data( $size_data ); |
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if ( true === empty( $size_data ) ) { |
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continue; |
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} |
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$resized_image = $this->resize( $size_data ); |
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if ( true === is_array( $resized_image ) ) { |
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$metadata[ $size ] = $resized_image; |
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} |
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} |
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return $metadata; |
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} |
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/** |
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* @param array $size_data |
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* |
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* @return array|\WP_Error Array for usage in $metadata['sizes']; WP_Error on failure. |
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*/ |
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protected function resize( $size_data ) { |
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return $this->image->get_size( $size_data ); |
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} |
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} |
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Automattic /
jetpack
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..