Is there away to set up a class so that if a method is not defined, instead of throwing an error it would go to a catch-all function?
such that if i call $myClass->foobar();
but foobar was never set in the class definition, some other method will handle it?
Yes, it's overloading:
class Foo {
public function __call($method, $args) {
echo "$method is not defined";
}
}
$a = new Foo;
$a->foo();
$b->bar();
As of PHP 5.3, you can also do it with static methods:
class Foo {
static public function __callStatic($method, $args) {
echo "$method is not defined";
}
}
Foo::hello();
Foo::world();
You want to use __call() to catch the called methods and their arguments.
Yes, you can use the __call magic method which is invoked when no suitable method is found. Example:
class Foo {
public function __call($name, $args) {
printf("Call to %s intercepted. Arguments: %s", $name, print_r($args, true));
}
}
$foo = new Foo;
$foo->bar('baz'); // Call to bar intercepted. Arguments: string(3) 'baz'
Magic methods. In particular, __call().
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