Online PHP editor | output for HjsG9

@ 2014-02-22T01:15:49Z

<?php

function run_test($name, $callback) {
    $result = $callback();
    echo "ran '$name' with result ", var_export($result, true), "\n";
}




$method1 = function($test) {
    return function () use ($test) {
        if (method_exists($test, 'setup')) {
            $test->setup();
        }
    };
};

$method2 = function($test) {
    $func = method_exists($test, 'setup')
          ? function() use ($test) { $test->setup(); }
          : function () {};
    return function () use ($func) {
        $func();
    };
};

$method3 = function($test) {
    $test = method_exists($test, 'setup')
          ? array($test, 'setup')
          : function () {};
    return function () use ($test) {
        $test();
    };
};




class Foo {}

class Bar {
    function setup() {}
}

run_test('foo1', $method1(new Foo()));
run_test('bar1', $method1(new Bar()));

run_test('foo2', $method2(new Foo()));
run_test('bar2', $method2(new Bar()));

run_test('foo3', $method3(new Foo()));
run_test('bar3', $method3(new Bar()));

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: ran 'foo1' with result NULL ran 'bar1' with result NULL ran 'foo2' with result NULL ran 'bar2' with result NULL ran 'foo3' with result NULL ran 'bar3' with result NULL
Output for 5.3.0 - 5.3.29: ran 'foo1' with result NULL ran 'bar1' with result NULL ran 'foo2' with result NULL ran 'bar2' with result NULL ran 'foo3' with result NULL Fatal error: Function name must be a string in /in/HjsG9 on line 33
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/HjsG9 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/HjsG9 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/HjsG9 on line 11
Process exited with code 255.

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