3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = (object)[ 'foo' => function () { echo 1; }; ]; $foo = $f->foo; $foo(); // OK ($f->foo)(); // Not OK
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected ';', expecting ']' in /in/9ZIlH on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected '[' in /in/9ZIlH on line 2
Process exited with code 255.
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175.19 ms | 1399 KiB | 45 Q