3v4l.org

run code in 300+ PHP versions simultaneously
<?php public function &generator() { foreach(range(1, 20) as $val) { yield $val; } } foreach(generator() as $val) { var_dump($val); }
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected 'public' (T_PUBLIC) in /in/1A4vK on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_PUBLIC in /in/1A4vK on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PUBLIC in /in/1A4vK on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_FUNCTION in /in/1A4vK on line 3
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 T_FUNCTION in /in/1A4vK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1A4vK on line 3
Process exited with code 255.
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221.2 ms | 1395 KiB | 122 Q