3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new \StdClass; $bar = new \StdClass; $foo->bar = $bar; $bar->foo = $foo; $array = array('foo' => $foo, 'bar' => $bar); $hash = array[]; rwalk($array); function rwalk($array) { if (is_array($array)) { foreach ($array as $key => $value) { if (is_object($value)) { $value = (array) $value; $objHash = spl_object_hash($value); } if (is_array($value) && !in_array($objHash, $hash)) { $hash[] = $objHash; rwalk($value); } } } }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '[', expecting '(' in /in/KaCDt on line 8
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
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 3 Parse error: syntax error, unexpected '[', expecting '(' in /in/KaCDt on line 8
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
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 3 Parse error: parse error, unexpected '[', expecting '(' in /in/KaCDt on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/KaCDt on line 3 Parse error: parse error, expecting `'('' in /in/KaCDt on line 8
Process exited with code 255.

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