CALL_USER_METHOD_ARRAY(3) 1 CALL_USER_METHOD_ARRAY(3)call_user_method_array - Call a user method given with an array of parametersSYNOPSIS
mixed call_user_method_array (string $method_name, object &$obj, array $params)
DESCRIPTION
Warning
The call_user_method_array(3) function is deprecated as of PHP 4.1.0.
PARAMETERS
o $method_name
- The method name being called.
o $obj
- The object that $method_name is being called on.
o $params
- An array of parameters.
EXAMPLES
Example #1
call_user_method_array(3) alternative
<?php
call_user_func_array(array($obj, $method_name), $params);
?>
SEE ALSO call_user_func_array(3), call_user_func(3).
PHP Documentation Group CALL_USER_METHOD_ARRAY(3)
Check Out this Related Man Page
CALL_USER_FUNC(3) 1 CALL_USER_FUNC(3)call_user_func - Call the callback given by the first parameterSYNOPSIS
mixed call_user_func (callable $callback, [mixed $parameter], [mixed $...])
DESCRIPTION
Calls the $callback given by the first parameter and passes the remaining parameters as arguments.
PARAMETERS
o $callback
- The callable to be called.
o $parameter
- Zero or more parameters to be passed to the callback.
Note
Note that the parameters for call_user_func(3) are not passed by reference.
Example #1
call_user_func(3) example and references
<?php
error_reporting(E_ALL);
function increment(&$var)
{
$var++;
}
$a = 0;
call_user_func('increment', $a);
echo $a."
";
// You can use this instead
call_user_func_array('increment', array(&$a));
echo $a."
";
?>
The above example will output:
0
1
RETURN VALUES
Returns the return value of the callback, or FALSE on error.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | The interpretation of object oriented keywords |
| | like parent and self has changed. Previously, |
| | calling them using the double colon syntax would |
| | emit an E_STRICT warning because they were inter- |
| | preted as static. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #2
call_user_func(3) example
<?php
function barber($type)
{
echo "You wanted a $type haircut, no problem
";
}
call_user_func('barber', "mushroom");
call_user_func('barber', "shave");
?>
The above example will output:
You wanted a mushroom haircut, no problem
You wanted a shave haircut, no problem
Example #3
call_user_func(3) using namespace name
<?php
namespace Foobar;
class Foo {
static public function test() {
print "Hello world!
";
}
}
call_user_func(__NAMESPACE__ .'Foo::test'); // As of PHP 5.3.0
call_user_func(array(__NAMESPACE__ .'Foo', 'test')); // As of PHP 5.3.0
?>
The above example will output:
Hello world!
Hello world!
Example #4
Using a class method with call_user_func(3)
<?php
class myclass {
static function say_hello()
{
echo "Hello!
";
}
}
$classname = "myclass";
call_user_func(array($classname, 'say_hello'));
call_user_func($classname .'::say_hello'); // As of 5.2.3
$myobject = new myclass();
call_user_func(array($myobject, 'say_hello'));
?>
The above example will output:
Hello!
Hello!
Hello!
Example #5
Using lambda function with call_user_func(3)
<?php
call_user_func(function($arg) { print "[$arg]
"; }, 'test'); /* As of PHP 5.3.0 */
?>
The above example will output:
[test]
NOTES
Note
Callbacks registered with functions such as call_user_func(3) and call_user_func_array(3) will not be called if there is an uncaught
exception thrown in a previous callback.
SEE ALSO call_user_func_array(3), is_callable(3), information about the callback type, ReflectionFunction::invoke, ReflectionMethod::invoke.
PHP Documentation Group CALL_USER_FUNC(3)