3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($max) { $i = 0; while ($i <= $max) { yield $i; $i++; } } print_r(foo(9));
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Generator Object ( )
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/GiScj on line 6
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/GiScj on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_VARIABLE in <b>/in/GiScj</b> on line <b>6</b><br />
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, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_VARIABLE in <b>/in/GiScj</b> on line <b>6</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/GiScj</b> on line <b>6</b><br />
Process exited with code 255.
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192.8 ms | 401 KiB | 375 Q