3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($i=0;$i<100;$i++){ echo "\n"; echo substr(uniqid(), 0, 8); }
Output for 5.6.28, 7.0.14 - 7.1.0
52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3 52db5ec3
Output for 5.0.0 - 5.6.22, 7.0.0 - 7.0.7
52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3 52db6cd3
Output for 4.3.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4 Warning: uniqid() expects at least 1 parameter, 0 given in /in/aqAcc on line 4