WP_Image_Editor_GD::resize() public WP 3.5.0

Resizes current image.

Wraps ::_resize() which returns a GD resource or GdImage instance.

At minimum, either a height or width must be provided. If one of the two is set to null, the resize will maintain aspect ratio according to the provided dimension.

{} It's a method of the class: WP_Image_Editor_GD{}

No Hooks.

Return

true|WP_Error.

Usage

$WP_Image_Editor_GD = new WP_Image_Editor_GD();
$WP_Image_Editor_GD->resize( $max_w, $max_h, $crop );

$max_w(int|null) (required)

Image width.

$max_h(int|null) (required)

Image height.

Default: false

Code of WP_Image_Editor_GD::resize() WP Image Editor GD::resize ^{WP 5.8.3}

public function resize( $max_w, $max_h, $crop = false ) {
	if ( ( $this->size['width'] == $max_w ) && ( $this->size['height'] == $max_h ) ) {
		return true;
	}

	$resized = $this->_resize( $max_w, $max_h, $crop );

	if ( is_gd_image( $resized ) ) {
		imagedestroy( $this->image );
		$this->image = $resized;
		return true;

	} elseif ( is_wp_error( $resized ) ) {
		return $resized;
	}

	return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ), $this->file );
}