3v4l.org

run code in 300+ PHP versions simultaneously
<?php class FooClass { } $foo = new FooClass(); $foo->bar = "qux"; $thing = "bar"; $qux = "th"; $grault = "ing"; echo $foo->${${$foo->bar}.${grault}}
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/ZZ0Fr on line 11
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, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/ZZ0Fr 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 $, expecting ',' or ';' in /in/ZZ0Fr on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/ZZ0Fr on line 11
Process exited with code 255.
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