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WP_Image_Editor_GD::crop( int $src_x, int $src_y, int $src_w, int $src_h, int $dst_w = null, int $dst_h = null, bool $src_abs = false )

Crops Image.

Parameters

$src_x

(int) (Required) The start x position to crop from.

$src_y

(int) (Required) The start y position to crop from.

$src_w

(int) (Required) The width to crop.

$src_h

(int) (Required) The height to crop.

$dst_w

(int) (Optional) The destination width.

Default value: null

$dst_h

(int) (Optional) The destination height.

Default value: null

$src_abs

(bool) (Optional) If the source crop points are absolute.

Default value: false

Return

(bool|WP_Error)

Source

File: wp-includes/class-wp-image-editor-gd.php 

public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
		// If destination width/height isn't specified,
		// use same as width/height from source.
		if ( ! $dst_w ) {
			$dst_w = $src_w;
		}
		if ( ! $dst_h ) {
			$dst_h = $src_h;
		}

		$dst = wp_imagecreatetruecolor( $dst_w, $dst_h );

		if ( $src_abs ) {
			$src_w -= $src_x;
			$src_h -= $src_y;
		}

		if ( function_exists( 'imageantialias' ) ) {
			imageantialias( $dst, true );
		}

		imagecopyresampled( $dst, $this->image, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );

		if ( is_resource( $dst ) ) {
			imagedestroy( $this->image );
			$this->image = $dst;
			$this->update_size();
			return true;
		}

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

Changelog

Version Description
3.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_image_editor_gd/crop