3v4l.org

run code in 300+ PHP versions simultaneously
<?php $urlKey = 'ftrcvgbhnjk-2000-4628-20.html'; if ($result = preg_match('/-\d+-(\d+)\.html.*$/', $key, $matches)) { $result = $matches[1]; } echo $result; var_dump($matches); echo $oldUrlKey;
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $key in /in/S5NjL on line 5 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/S5NjL on line 5 0array(0) { } Warning: Undefined variable $oldUrlKey in /in/S5NjL on line 12
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $key in /in/S5NjL on line 5 0array(0) { } Warning: Undefined variable $oldUrlKey in /in/S5NjL on line 12
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: key in /in/S5NjL on line 5 0array(0) { } Notice: Undefined variable: oldUrlKey in /in/S5NjL on line 12
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 7.3.32 - 7.3.33, 7.4.26
0array(0) { }

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298.2 ms | 402 KiB | 456 Q