3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { function X { echo "\n1\n"; } public function __constuct() { $this->X(); } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected '{', expecting '(' in /in/D6W3n on line 5
Process exited with code 255.
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167.2 ms | 1395 KiB | 35 Q