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run code in 300+ PHP versions simultaneously
<?php preg_match_all('/\(([\d]+)\)/',$string,$matches); var_dump($matches);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $string in /in/lcqrM on line 2 Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/lcqrM on line 2 array(2) { [0]=> array(0) { } [1]=> array(0) { } }
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $string in /in/lcqrM on line 2 array(2) { [0]=> array(0) { } [1]=> array(0) { } }
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: string in /in/lcqrM on line 2 array(2) { [0]=> array(0) { } [1]=> array(0) { } }
Output for 7.3.32 - 7.3.33, 7.4.26
array(2) { [0]=> array(0) { } [1]=> array(0) { } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: string in /in/lcqrM on line 2 array(2) { [0]=> array(0) { } [1]=> array(0) { } }

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