3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace(subject: 'Hello 7', pattern: '/[a-z ]/', count: $counted, replacement: '') . "\n" . $counted;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
H7 5
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected ':', expecting ')' in /in/muBB6 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.34
Parse error: syntax error, unexpected ':', expecting ',' or ')' in /in/muBB6 on line 3
Process exited with code 255.
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56.59 ms | 408 KiB | 5 Q