3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = json_decode('"’"'); $pattern = '/\b/u'; preg_match($pattern, $text, $matches, 0, 0); preg_match($pattern, $text, $matches, 0, 1);
Output for 5.2.0 - 5.2.17, 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 - 7.3.30, 7.4.4 - 7.4.23, 8.0.0 - 8.0.11, 8.1rc1 - rc2
Output for 7.4.0 - 7.4.3

Process exited with code 139.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/DqL76 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/DqL76 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/DqL76 on line 3
Process exited with code 255.
Output for 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/DqL76 on line 3

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68.18 ms | 462 KiB | 5 Q