3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { echo 'start'; for ($i = 1; $i < 100; ++$i) { yield $i; } echo 'finish'; } foreach (test() as $i) { echo $i; }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
start123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899finish
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/4mZ7X 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 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/4mZ7X on line 6
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/4mZ7X on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4mZ7X on line 6
Process exited with code 255.
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242.35 ms | 401 KiB | 342 Q