WP_Image_Editor_GD::set_quality()
Sets Image Compression quality on a 1-100% scale. Handles WebP lossless images.
Method of the class: WP_Image_Editor_GD{}
No Hooks.
Return
true|WP_Error
. True if set successfully; WP_Error on failure.
Usage
$WP_Image_Editor_GD = new WP_Image_Editor_GD(); $WP_Image_Editor_GD->set_quality( $quality );
- $quality(int)
- Compression Quality. Range: [1,100]
Default: null
Changelog
Since 6.7.0 | Introduced. |
WP_Image_Editor_GD::set_quality() WP Image Editor GD::set quality code WP 6.7.1
public function set_quality( $quality = null ) { $quality_result = parent::set_quality( $quality ); if ( is_wp_error( $quality_result ) ) { return $quality_result; } else { $quality = $this->get_quality(); } // Handle setting the quality for WebP lossless images, see https://php.watch/versions/8.1/gd-webp-lossless. try { if ( 'image/webp' === $this->mime_type && defined( 'IMG_WEBP_LOSSLESS' ) ) { $webp_info = wp_get_webp_info( $this->file ); if ( ! empty( $webp_info['type'] ) && 'lossless' === $webp_info['type'] ) { $quality = IMG_WEBP_LOSSLESS; parent::set_quality( $quality ); } } } catch ( Exception $e ) { return new WP_Error( 'image_quality_error', $e->getMessage() ); } $this->quality = $quality; return true; }