(PHP 4 >= 4.1.0, PHP 5 < 5.4.0) Import GET/POST/Cookie variables into the global scope bool import_request_variables ( string $types [, string $prefix ] ) Imports GET/POST/Cookie variables into the global scope. It is useful if you disabled register_globals, but would like to see some variables in the global scope. If you're interested in importing other variables into the global scope, such as $_SERVER, consider usi

(PHP 4, PHP 5, PHP 7) Get the type of a variable string gettype ( mixed $var ) Returns the type of the PHP variable var. For type checking, use is_* functions. Parameters: var The variable being type checked. Returns: Possible values for the returned string are: "boolean" "integer" "double" (for historical reasons "double" is returned

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the resource type string get_resource_type ( resource $handle ) This function gets the type of the given resource. Parameters: handle The evaluated resource handle. Returns: If the given handle is a resource, this function will return a string representing its type. If the type is not identified by this

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Returns an array of all defined variables array get_defined_vars ( void ) This function returns a multidimensional array containing a list of all defined variables, be them environment, server or user-defined variables, within the scope that get_defined_vars() is called. Returns: A multidimensional array with all the variables.

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get float value of a variable float floatval ( mixed $var ) Gets the float value of var. Parameters: var May be any scalar type. floatval() should not be used on objects, as doing so will emit an E_NOTICE level error and return 1. Returns: The float value of the given variable. Empty arrays return 0, non-empty ar

(PHP 4, PHP 5, PHP 7) Determine whether a variable is empty bool empty ( mixed $var ) Determine whether a variable is considered to be empty. A variable is considered empty if it does not exist or if its value equals FALSE. empty() does not generate a warning if the variable does not exist. Parameters: var Variable to be checked Note: Prior to PHP 5.5, empty() only su

(PHP 4, PHP 5, PHP 7) Alias of floatval() This function is an alias of: floatval().

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Dumps a string representation of an internal zend value to output void debug_zval_dump ( mixed $variable [, mixed $... ] ) Dumps a string representation of an internal zend value to output. Parameters: variable The variable being evaluated. Returns: No value is returned.

(PHP 5 >= 5.5.0, PHP 7) Get the boolean value of a variable boolean boolval ( mixed $var ) Returns the boolean value of var. Parameters: var The scalar value being converted to a boolean. Returns: The boolean value of var. Examples: boolval() examples <?php echo '0

(PHP 5, PHP 7) To string public string Reflector::__toString ( void ) To string. Returns: This function is currently not documented; only its argument list is available. See also: ReflectionProperty::export() - __toString() -