Shuts up deprecated messages for specific functions

class-oh-shuddup.php

<?php

Oh_Shuddup::on_load( array( 'get_theme_data' ) );

/**
 * Shuts up deprecated messages for specific functions.
 */
class Oh_Shuddup {

	static $functions;

	/**
	 * @param array $functions to ignore
	 */
	public static function on_load( $functions ) {

		if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
			self::$functions = $functions;
			add_action( 'deprecated_function_run', array( __CLASS__, 'deprecated_function_run' ) );
		}
	}

	/**
	 * @param string $function name
	 */
	public static function deprecated_function_run( $function ) {

		if ( in_array( $function, self::$functions ) )
			add_filter( 'deprecated_function_trigger_error', array( __CLASS__, 'deprecated_function_trigger_error' ) );
	}

	/**
	 * @return bool
	 */
	public static function deprecated_function_trigger_error() {

		remove_filter( __FUNCTION__, array( __CLASS__, __FUNCTION__ ) );

		return false;
	}
}

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