動的なWordpressテンプレート

 <?php /** * Title : Aqua Resizer * Description : Resizes WordPress images on the fly * Version : 1.1.3 * Author : Syamil MJ * Author URI : http://aquagraphite.com * License : WTFPL - http://sam.zoy.org/wtfpl/ * Documentation : https://github.com/sy4mil/Aqua-Resizer/ * * @param string $url - (required) must be uploaded using wp media uploader * @param int $width - (required) * @param int $height - (optional) * @param bool $crop - (optional) default to soft crop * @param bool $single - (optional) returns an array if false * @uses wp_upload_dir() * @uses image_resize_dimensions() * @uses image_resize() * * @return str|array */ function aq_resize( $url, $width, $height = null, $crop = null, $single = true ) { //validate inputs if(!$url OR !$width ) return false; //define upload path & dir $upload_info = wp_upload_dir(); $upload_dir = $upload_info['basedir']; $upload_url = $upload_info['baseurl']; //check if $img_url is local if(strpos( $url, home_url() ) === false) return false; //define path of image $rel_path = str_replace( $upload_url, '', $url); $img_path = $upload_dir . $rel_path; //check if img path exists, and is an image indeed if( !file_exists($img_path) OR !getimagesize($img_path) ) return false; //get image info $info = pathinfo($img_path); $ext = $info['extension']; list($orig_w,$orig_h) = getimagesize($img_path); //get image size after cropping $dims = image_resize_dimensions($orig_w, $orig_h, $width, $height, $crop); $dst_w = $dims[4]; $dst_h = $dims[5]; //use this to check if cropped image already exists, so we can return that instead $suffix = "{$dst_w}x{$dst_h}"; $dst_rel_path = str_replace( '.'.$ext, '', $rel_path); $destfilename = "{$upload_dir}{$dst_rel_path}-{$suffix}.{$ext}"; //if orig size is smaller if($width >= $orig_w) { if(!$dst_h) : //can't resize, so return original url $img_url = $url; $dst_w = $orig_w; $dst_h = $orig_h; else : //else check if cache exists if(file_exists($destfilename) && getimagesize($destfilename)) { $img_url = "{$upload_url}{$dst_rel_path}-{$suffix}.{$ext}"; } //else resize and return the new resized image url else { $resized_img_path = image_resize( $img_path, $width, $height, $crop ); $resized_rel_path = str_replace( $upload_dir, '', $resized_img_path); $img_url = $upload_url . $resized_rel_path; } endif; } //else check if cache exists elseif(file_exists($destfilename) && getimagesize($destfilename)) { $img_url = "{$upload_url}{$dst_rel_path}-{$suffix}.{$ext}"; } //else, we resize the image and return the new resized image url else { $resized_img_path = image_resize( $img_path, $width, $height, $crop ); $resized_rel_path = str_replace( $upload_dir, '', $resized_img_path); $img_url = $upload_url . $resized_rel_path; } //return the output if($single) { //str return $image = $img_url; } else { //array return $image = array ( 0 => $img_url, 1 => $dst_w, 2 => $dst_h ); } return $image; }