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run code in 300+ PHP versions simultaneously
<?php> class FooClass { } $foo = new FooClass(); $foo->bar = "qux"; $thing = "bar"; $qux = "th"; $grault = "ing"; function th($waldo){ global $qux, $grault, $thing; return ${$qux.$grault}.$waldo; } echo ${($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})})}(($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})}));
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?php> class FooClass { } $foo = new FooClass(); $foo->bar = "qux"; $thing = "bar"; $qux = "th"; $grault = "ing"; function th($waldo){ global $qux, $grault, $thing; return ${$qux.$grault}.$waldo; } echo ${($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})})}(($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})}));
Output for 8.0.13
Parse error: syntax error, unexpected token "class" in /in/60UQS on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.32, 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/60UQS on line 2
Process exited with code 255.

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