php-src/Zend/tests/get_exception_handler.phpt at 6c84a122cab2e09e4f876ef12f76ce36a67aa5eb · php/php-src · GitHub

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--TEST--
get_exception_handler()
--FILE--
<?php

class C {
    function handle() {}
    static function handleStatic() {}
}

class InvokableHandler {
    public function __invoke() {
    }
}

function foo() {}

echo "No exception handler\n";
var_dump(get_exception_handler() === null);

echo "\nFunction string\n";
set_exception_handler('foo');
var_dump(get_exception_handler() === 'foo');

echo "\nNULL\n";
set_exception_handler(null);
var_dump(get_exception_handler() === null);

echo "\nStatic method array\n";
set_exception_handler([C::class, 'handleStatic']);
var_dump(get_exception_handler() === [C::class, 'handleStatic']);

echo "\nStatic method string\n";
set_exception_handler('C::handleStatic');
var_dump(get_exception_handler() === 'C::handleStatic');

echo "\nInstance method array\n";
set_exception_handler([$c = new C(), 'handle']);
var_dump(get_exception_handler() === [$c, 'handle']);

echo "\nFirst class callable method\n";
set_exception_handler($f = (new C())->handle(...));
var_dump(get_exception_handler() === $f);

echo "\nClosure\n";
set_exception_handler($f = function () {});
var_dump(get_exception_handler() === $f);

echo "\nInvokableHandler\n";
set_exception_handler($object = new InvokableHandler());
var_dump(get_exception_handler() === $object);

echo "\nStable return value\n";
var_dump(get_exception_handler() === get_exception_handler());

?>==DONE==
--EXPECT--
No exception handler
bool(true)

Function string
bool(true)

NULL
bool(true)

Static method array
bool(true)

Static method string
bool(true)

Instance method array
bool(true)

First class callable method
bool(true)

Closure
bool(true)

InvokableHandler
bool(true)

Stable return value
bool(true)
==DONE==