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run code in 200+ php & hhvm versions
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<?php $subject = "abcdef"; $pattern = '/^def/'; preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE, 3); print_r($matches); ?>
Output for 4.3.3 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.1
Array ( )
Output for 4.3.0 - 4.3.2
Warning: Wrong parameter count for preg_match() in /in/Juc1f on line 4