Online PHP editor | output for IMmoO

@ 2018-08-24T08:47:21Z

<?php

namespace{
    function foo(){ echo "I'm (g)root!\n"; }
    function foo2(){ echo "I'm (g)root2!\n"; }
    function foo3(){ echo "I'm (g)root3!\n"; }
}

namespace Baz{

    Class Test {
        function foobar(){
            foo3();
        }
    }
    
    Class Test2 {
        function foobar(){
            foo3();
        }
    }
    
    echo 'Function resolved at runtime so output changes' . "\n";
    foo();
    if(true){function foo(){ echo "I'm not (g)root!\n"; }}
    foo();
    
    echo '------' . "\n";
    
    echo 'Call for test purpose before Baz\foo3() has been defined' . "\n";
    $test = new Test();
    $test->foobar();
    
    echo '------' . "\n";
    
    echo 'Function resolved at parsing time so output does not change' . "\n";
    foo2();
    function foo2(){ echo "I'm not (g)root2!\n"; }
    foo2();
    
    echo '------' . "\n";
    
    echo 'Function resolved at runtime so output changes' . "\n";
    foo3();
    eval("namespace Baz; function foo3(){echo 'I\'m not (g)root3!\n';}");
    foo3();
    
    echo '------' . "\n";
    
    echo 'Method has already been called so using the old version' . "\n";
    $test->foobar();
    
    echo 'Method is called for the first time so using the new version' . "\n";
    $test2 = new Test2();
    $test2->foobar();
    
    
}

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Function resolved at runtime so output changes I'm (g)root! I'm not (g)root! ------ Call for test purpose before Baz\foo3() has been defined I'm (g)root3! ------ Function resolved at parsing time so output does not change I'm not (g)root2! I'm not (g)root2! ------ Function resolved at runtime so output changes I'm (g)root3! I'm not (g)root3! ------ Method has already been called so using the old version I'm (g)root3! Method is called for the first time so using the new version I'm not (g)root3!
Output for 5.3.0 - 5.3.29: Function resolved at runtime so output changes I'm (g)root! I'm not (g)root! ------ Call for test purpose before Baz\foo3() has been defined I'm (g)root3! ------ Function resolved at parsing time so output does not change I'm not (g)root2! I'm not (g)root2! ------ Function resolved at runtime so output changes I'm (g)root3! I'm not (g)root3! ------ Method has already been called so using the old version I'm not (g)root3! Method is called for the first time so using the new version I'm not (g)root3!
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 '{' in /in/IMmoO on line 3
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 '{' in /in/IMmoO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/IMmoO on line 3
Process exited with code 255.

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