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<?php |
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|
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if ( ! function_exists( 'qi_blocks_get_attachment_id_from_url' ) ) { |
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/** |
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* Function that retrieves attachment id for passed attachment url |
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* |
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* @param string $attachment_url |
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* |
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* @return null|string |
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*/ |
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function qi_blocks_get_attachment_id_from_url( $attachment_url ) { |
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global $wpdb; |
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$attachment_id = ''; |
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|
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if ( '' !== $attachment_url ) { |
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|
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$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE guid=%s", $attachment_url ) ); |
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|
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// Additional check for undefined reason when guid is not image src |
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if ( empty( $attachment_id ) ) { |
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$modified_url = substr( $attachment_url, strrpos( $attachment_url, '/' ) + 1 ); |
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|
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// Get attachment id |
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$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key='_wp_attached_file' AND meta_value LIKE %s", '%' . $modified_url . '%' ) ); |
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} |
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} |
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|
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return $attachment_id; |
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} |
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} |
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|
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if ( ! function_exists( 'qi_blocks_resize_image' ) ) { |
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/** |
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* Function that generates custom thumbnail for given attachment |
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* |
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* @param int|string $attachment - attachment id or url of image to resize |
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* @param array $custom_size desired - width and height of custom thumbnail |
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* @param bool $crop - whether to crop image or not |
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* |
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* @return array returns array containing img_url, width and height |
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* |
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* @see qi_blocks_get_attachment_id_from_url() |
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* @see get_attached_file() |
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* @see wp_get_attachment_url() |
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* @see wp_get_image_editor() |
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*/ |
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function qi_blocks_resize_image( $attachment, $custom_size = array(), $crop = true ) { |
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$return_array = array(); |
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|
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if ( ! empty( $attachment ) ) { |
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if ( is_int( $attachment ) ) { |
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$attachment_id = $attachment; |
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} else { |
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$attachment_id = qi_blocks_get_attachment_id_from_url( $attachment ); |
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} |
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|
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$is_size_set = ! empty( $custom_size ) && isset( $custom_size['width'] ) && isset( $custom_size['height'] ); |
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|
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if ( ! empty( $attachment_id ) && $is_size_set ) { |
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$width = intval( $custom_size['width'] ); |
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$height = intval( $custom_size['height'] ); |
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|
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// Get file path of the attachment |
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$img_path = get_attached_file( $attachment_id ); |
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|
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// Get attachment url |
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$img_url = wp_get_attachment_url( $attachment_id ); |
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|
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// Break down img path to array, so we can use its components in building thumbnail path |
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$img_path_array = pathinfo( $img_path ); |
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|
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// Build thumbnail path |
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$new_img_path = $img_path_array['dirname'] . '/' . $img_path_array['filename'] . '-' . $width . 'x' . $height . '.' . $img_path_array['extension']; |
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|
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// Build thumbnail url |
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$new_img_url = str_replace( $img_path_array['filename'], $img_path_array['filename'] . '-' . $width . 'x' . $height, $img_url ); |
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|
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// Check if thumbnail exists by its path |
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if ( ! file_exists( $new_img_path ) ) { |
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// Get image manipulation object |
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$image_object = wp_get_image_editor( $img_path ); |
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|
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if ( ! is_wp_error( $image_object ) ) { |
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// Resize image and save it new to path |
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$image_object->resize( $width, $height, $crop ); |
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$image_object->save( $new_img_path ); |
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|
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// Get sizes of newly created thumbnail. |
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// We don't use $width and $height because those might differ from end result based on $crop parameter |
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$image_sizes = $image_object->get_size(); |
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|
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$width = $image_sizes['width']; |
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$height = $image_sizes['height']; |
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|
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qi_blocks_update_cropped_images_option( $attachment_id, $width, $height ); |
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} else { |
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return array(); |
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} |
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} |
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|
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// Generate data to be returned |
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$return_array = array( |
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'url' => $new_img_url, |
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'width' => $width, |
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'height' => $height, |
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); |
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|
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// Attachment wasn't found in gallery, but it is not empty |
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} elseif ( '' !== $attachment && $is_size_set ) { |
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$width = intval( $custom_size['width'] ); |
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$height = intval( $custom_size['height'] ); |
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|
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// Generate data to be returned |
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$return_array = array( |
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'url' => $attachment, |
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'width' => $width, |
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'height' => $height, |
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); |
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} |
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} |
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|
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return $return_array; |
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} |
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} |
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|
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if( ! function_exists( 'qi_blocks_update_cropped_images_option' ) ) { |
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function qi_blocks_update_cropped_images_option( $attachment_id, $width, $height ) { |
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$cropped_images = get_option( 'qi_blocks_cropped_images' ); |
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|
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$cropped_images[] = array( |
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'attachment_id' => $attachment_id, |
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'width' => $width, |
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'height' => $height, |
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); |
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|
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update_option( 'qi_blocks_cropped_images', $cropped_images ); |
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} |
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} |
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|
