Remove all unwanted data from the fontawesome json file

class-astra-widgets-helper.php

/**
 * Remove unwanted values from font awesome json object
 *
 * @since 1.0.0
 * @param  array $json Decoded fontawesome json file data.
 */
public static function remove_unwanted_data( $json ) {

	// Remove unwanted code from the json file

	foreach ($json as $index => $value) {

		/* Remove all unwanted data from the fontawesome json file */

		// Remove Changes, Ligature, Unicode from the array
		unset( $value['changes'], $value['ligatures'], $value['unicode'] );

		// Remove last modifiled from the svg array
		if ( isset( $value['svg']['brands'] ) ) {
			unset( $value['svg']['brands']['last_modified'], $value['svg']['brands']['raw'], $value['svg']['brands']['width'], $value['svg']['brands']['height'] );
		} else if ( isset( $value['svg']['solid'] ) ) {
			unset( $value['svg']['solid']['last_modified'], $value['svg']['solid']['raw'], $value['svg']['solid']['width'], $value['svg']['solid']['height'] );
		}
		$json[$index] = $value;	
	}

	$json = json_encode( $json, JSON_PRETTY_PRINT );

	file_put_contents( ASTRA_WIDGETS_DIR . 'assets/fonts/icons.json', $json);
}