Processes a file that adheres to the theme.json schema and returns an array with its contents, or a void array if none found.

Parameters

$file_pathstringrequired

Path to file. Empty if no file.

Return

Source

protected static function read_json_file( $file_path ) {
	if ( $file_path ) {
		if ( array_key_exists( $file_path, static::$theme_json_file_cache ) ) {
			return static::$theme_json_file_cache[ $file_path ];
		}

		$decoded_file = wp_json_file_decode( $file_path, array( 'associative' => true ) );
		if ( is_array( $decoded_file ) ) {
			static::$theme_json_file_cache[ $file_path ] = $decoded_file;
			return static::$theme_json_file_cache[ $file_path ];
		}
	}

	return array();
}

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