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run code in 300+ PHP versions simultaneously
<?php $words = array("man", "map", "php", "pop", "pnp"); $patterns = array("ma?", "p?p"); foreach ($patterns as $pattern) { $regex = '\b(' . str_replace('?', '.', $pattern) . ')\b'; $count = preg_match_all("/$regex/", implode('-', $words), $matches); echo "$pattern matched $count times on " . implode(',', $matches[1]) . ".\n"; }
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ma? matched 2 times on man,map. p?p matched 3 times on php,pop,pnp.
preferences:
184.87 ms | 403 KiB | 182 Q