3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "This is a test"; preg_match('/(?name:.+?) (.+)/',$str,$arr); print_R($arr);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_match(): Compilation failed: unrecognized character after (? or (?- at offset 3 in /in/JCVXI on line 4
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
Warning: preg_match(): Compilation failed: unrecognized character after (? or (?- at offset 2 in /in/JCVXI on line 4
Output for 5.2.0 - 5.2.5
Warning: preg_match(): Compilation failed: unrecognized character after (? at offset 2 in /in/JCVXI on line 4
Output for 4.3.11, 4.4.0 - 4.4.8, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: preg_match(): Compilation failed: unrecognized character after (? at offset 2 in /in/JCVXI on line 4 Array ( )
Output for 4.4.9
Warning: preg_match(): Compilation failed: unrecognized character after (? or (?- at offset 2 in /in/JCVXI on line 4 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (? at offset 2 in /in/JCVXI on line 4 Array ( )

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