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WP_Image_Editor_Imagick::strip_meta()

Strips all image meta except color profiles from an image.

Return

(true|WP_Error) True if stripping metadata was successful. WP_Error object on error.

Source

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

protected function strip_meta() {

		if ( ! is_callable( array( $this->image, 'getImageProfiles' ) ) ) {
			/* translators: %s: ImageMagick method name. */
			return new WP_Error( 'image_strip_meta_error', sprintf( __( '%s is required to strip image meta.' ), '<code>Imagick::getImageProfiles()</code>' ) );
		}

		if ( ! is_callable( array( $this->image, 'removeImageProfile' ) ) ) {
			/* translators: %s: ImageMagick method name. */
			return new WP_Error( 'image_strip_meta_error', sprintf( __( '%s is required to strip image meta.' ), '<code>Imagick::removeImageProfile()</code>' ) );
		}

		/*
		 * Protect a few profiles from being stripped for the following reasons:
		 *
		 * - icc:  Color profile information
		 * - icm:  Color profile information
		 * - iptc: Copyright data
		 * - exif: Orientation data
		 * - xmp:  Rights usage data
		 */
		$protected_profiles = array(
			'icc',
			'icm',
			'iptc',
			'exif',
			'xmp',
		);

		try {
			// Strip profiles.
			foreach ( $this->image->getImageProfiles( '*', true ) as $key => $value ) {
				if ( ! in_array( $key, $protected_profiles, true ) ) {
					$this->image->removeImageProfile( $key );
				}
			}
		} catch ( Exception $e ) {
			return new WP_Error( 'image_strip_meta_error', $e->getMessage() );
		}

		return true;
	}

Changelog

Version Description
4.5.0 Introduced.

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