defined( $constant_name ) ? constant( $constant_name ) : null;
}
/**
* @deprecated @see \WPML_PHP_Functions
* @param string $function_name The function name, as a string.
*
* @return bool true if function_name exists and is a function, false otherwise.
* This function will return false for constructs, such as include_once and echo.
* @return bool
*/
public function function_exists( $function_name ) {
return function_exists( $function_name );
}
/**
* @deprecated @see \WPML_PHP_Functions
* @param string $class_name The class name. The name is matched in a case-insensitive manner.
* @param bool $autoload [optional] Whether or not to call &link.autoload; by default.
*
* @return bool true if class_name is a defined class, false otherwise.
* @return bool
*/
public function class_exists( $class_name, $autoload = true ) {
return class_exists( $class_name, $autoload );
}
/**
* @deprecated @see \WPML_PHP_Functions
* @param string $name The extension name
*
* @return bool true if the extension identified by name is loaded, false otherwise.
*/
public function extension_loaded( $name ) {
return extension_loaded( $name );
}
/**
* @deprecated @see \WPML_PHP_Functions
* @param $string
*
* @return string
*/
public function mb_strtolower( $string ) {
if ( function_exists( 'mb_strtolower' ) ) {
return mb_strtolower( $string );
}
return strtolower( $string );
}
/**
* @deprecated @see \WPML_PHP_Functions
* Wrapper for \phpversion()
*
* * @param string $extension (optional)
*
* @return string
*/
public function phpversion( $extension = null ) {
if ( defined( 'PHP_VERSION' ) ) {
return PHP_VERSION;
} else {
return phpversion( $extension );
}
}
/**
* @deprecated @see \WPML_PHP_Functions
* Compares two "PHP-standardized" version number strings
* @see \WPML_WP_API::version_compare
*
* @param string $version1
* @param string $version2
* @param null $operator
*
* @return mixed
*/
public function version_compare( $version1, $version2, $operator = null ) {
return version_compare( $version1, $version2, $operator );
}
/**
* @param array $array
* @param int $sort_flags
*
* @return array
*/
public function array_unique( $array, $sort_flags = SORT_REGULAR ) {
return wpml_array_unique( $array, $sort_flags );
}
/**
* @deprecated @see \WPML_PHP_Functions
* @param string $message
* @param int $message_type
* @param string $destination
* @param string $extra_headers
*
* @return bool
*/
public function error_log( $message, $message_type = null, $destination = null, $extra_headers = null ) {
return error_log( $message, $message_type, $destination, $extra_headers );
}
}