3v4l.org

run code in 300+ PHP versions simultaneously
<?php $generator = (function() { $count = 3; echo "Start\n"; while(true) { yield; // suspend the function (the generator) echo "Are there results?\n"; $count--; if ($count === 0) { return; // We received the results, we stop } } })(); $generator->current(); // Initiates processing do { echo "Do something else\n"; $generator->next(); // Restart the function (resume at "yield") } while ($generator->valid()); // Has the function finished? echo "End\n";
Output for 7.0.33, 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Start Do something else Are there results? Do something else Are there results? Do something else Are there results? End
Output for 5.5.38
Parse error: syntax error, unexpected '(' in /in/1Juph on line 13
Process exited with code 255.
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39.64 ms | 859 KiB | 4 Q