3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { for ($i = 0; $i < 10 ; $i++) { yield $i; } } foo(); foo(); foo(); foo(); foo(); foo(); foreach (foo() as $k) {  echo $k; }
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/9PuNH on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/9PuNH on line 5
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
Parse error: parse error, unexpected T_VARIABLE in /in/9PuNH on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9PuNH on line 5
Process exited with code 255.
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