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run code in 300+ PHP versions simultaneously
@ 2025-05-17T17:52:48Z
<?php
function flup($level=0) {                                                                                                                                       
    $out="nope";                                                                                                                                                
    echo "($level) flup. ($out)\n";                                                                                                                             
    sleep(1);                                                                                                                                                   
    $level++;                                                                                                                                                   
    if($level==2) {                                                                                                                                             
        $out="yep";                                                                                                                                             
        return($out);                                                                                                                                           
    } else {                                                                                                                                                    
        return flup($level);                                                                                                                                           
    }                                                                                                                                                           
}

echo "[".flup()."]\n";
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27.06 ms | 404 KiB | 5 Q