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run code in 150+ php & hhvm versions
Bugs & Features
<?php $matches = array(); preg_match('/$([0-9]+) *- *\.html^/', "2-blabla.html", matches); vard_dump($matches);
Output for 5.3.0 - 5.4.11
Fatal error: Only variables can be passed by reference in /in/cQ8C1 on line 4
Process exited with code 255.