Viewing file:  image-resizer.php (2.88 KB) -rw-rw-rw-
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<?php
/**
* Title : Aqua Resizer
* Description : Resizes WordPress images on the fly
* Version : 1.1.6
* 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 wp_get_image_editor()
*
* @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, $upload_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}.{$ext}";
if(!$dst_h) {
//can't resize, so return original url
$img_url = $url;
$dst_w = $orig_w;
$dst_h = $orig_h;
}
//else check if cache exists
elseif(file_exists($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 {
// Note: This pre-3.5 fallback check will edited out in subsequent version
if(function_exists('wp_get_image_editor')) {
$editor = wp_get_image_editor($img_path);
if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) )
return false;
$resized_file = $editor->save();
if(!is_wp_error($resized_file)) {
$resized_rel_path = str_replace( $upload_dir, '', $resized_file['path']);
$img_url = $upload_url . $resized_rel_path;
} else {
return false;
}
}
}
//return the output
if($single) {
//str return
$image = $img_url;
} else {
//array return
$image = array (
0 => $img_url,
1 => $dst_w,
2 => $dst_h
);
}
return $image;
} ?>
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