3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(empty($myvar)){ if(isset($myvar)) echo $myvar; else echo "variable not set"; } if(!$myVar) { echo "variable not sessst" ; } if($input === 0) echo "1223";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
variable not set Warning: Undefined variable $myVar in /in/pFVM5 on line 10 variable not sessst Warning: Undefined variable $input in /in/pFVM5 on line 15
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
variable not set Notice: Undefined variable: myVar in /in/pFVM5 on line 10 variable not sessst Notice: Undefined variable: input in /in/pFVM5 on line 15
Output for 7.3.32 - 7.3.33
variable not setvariable not sessst
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
variable not set Notice: Undefined variable: myVar in /in/pFVM5 on line 10 variable not sessst Notice: Undefined variable: input in /in/pFVM5 on line 15

preferences:
246.9 ms | 402 KiB | 312 Q