method_exists
Checks if the class method exists
Description
bool method_exists(objectstring $object_or_class
, string $method
)
Parameters
-
object_or_class
-
An object instance or a class name
-
method
-
The method name
Return Values
Returns true
if the method given by method
has been defined for the given object_or_class
, false
otherwise.
Examples
Example #1 method_exists example
<?php
$directory = new Directory('.');
var_dump(method_exists($directory,'read'));
?>
The above example will output:
Example #2 Static method_exists example
<?php
var_dump(method_exists('Directory','read'));
?>
The above example will output:
Notes
Note:
Using this function will use any registered
autoloaders if the class is not already known.
Note:
The method_exists function cannot detect methods
that are magically accessible using the
__call
magic method.
See Also
- function_exists
- is_callable
- class_exists