Created
March 27, 2014 23:46
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Resize WordPress images on the fly using core functions
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/** | |
* Resize an image to specified dimensions | |
* @return (string) path to product image or feature image | |
*/ | |
function my_resize_image( $post_id=null, $width=null, $height=null, $crop=true ) { | |
// get path to featured image | |
$featured_image_id = get_post_thumbnail_id( $post_id ); | |
$featured_image_path = get_attached_file( $featured_image_id ); | |
// make sure the file exists and it's an image | |
if ( file_exists( $featured_image_path ) ) { | |
// Resize | |
$img = wp_get_image_editor( $featured_image_path ); | |
if ( ! is_wp_error( $img ) ) { | |
// only resize if height and width supplied | |
if ( $width || $height ) { | |
$img->resize( $width, $height, true ); | |
$wp_upload_dir = wp_upload_dir(); | |
$dir = wp_mkdir_p( $wp_upload_dir['path'] ); | |
$filename = $img->generate_filename( 'custom', $dir, NULL ); | |
$saved = $img->save( $filename ); | |
return $wp_upload_dir['url'] . '/' . $saved['file']; | |
} | |
} | |
} | |
} |
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