3v4l.org

run code in 300+ PHP versions simultaneously
<?php function data() { echo __FUNCTION__; return [1,2,3]; } function test() { echo __FUNCTION__; yield from data(); } $generator = test(); echo "START"; foreach($test as $num);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
START Warning: Undefined variable $test in /in/L3E7n on line 16 Warning: foreach() argument must be of type array|object, null given in /in/L3E7n on line 16
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
START Notice: Undefined variable: test in /in/L3E7n on line 16 Warning: Invalid argument supplied for foreach() in /in/L3E7n on line 16
Output for 7.3.32 - 7.3.33
START Warning: Invalid argument supplied for foreach() in /in/L3E7n on line 16
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'data' (T_STRING) in /in/L3E7n on line 11
Process exited with code 255.
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175.49 ms | 402 KiB | 215 Q