3v4l.org

run code in 300+ PHP versions simultaneously
<?php function retry($retries) { try { throw new \Exception(); } catch (\Exception $e) { if (!$retries) { throw new FailingTooHardException('', 0, $e); } retry($retries - 1, $fn) } } retry(5)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '}' in /in/1HT9D on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1HT9D on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1HT9D on line 6 Parse error: syntax error, unexpected '}' in /in/1HT9D on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1HT9D on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1HT9D on line 6 Parse error: parse error, unexpected '}' in /in/1HT9D on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/1HT9D on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '{' in /in/1HT9D on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1HT9D on line 4
Process exited with code 255.
preferences:
206.07 ms | 1395 KiB | 123 Q