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run code in 300+ PHP versions simultaneously
<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo, ' '; echo '$_SESSION[boo] = ', $$_SESSION['boo'];
Output for 8.3.0 - 8.3.6
boo = 2 $_SESSION[boo] = Warning: Array to string conversion in /in/jPhkK on line 6 Warning: Undefined variable $Array in /in/jPhkK on line 6 Warning: Trying to access array offset on null in /in/jPhkK on line 6
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
boo = 2 $_SESSION[boo] = Warning: Array to string conversion in /in/jPhkK on line 6 Warning: Undefined variable $Array in /in/jPhkK on line 6 Warning: Trying to access array offset on value of type null in /in/jPhkK on line 6
Output for 7.4.0 - 7.4.33
boo = 2 $_SESSION[boo] = Notice: Array to string conversion in /in/jPhkK on line 6 Notice: Undefined variable: Array in /in/jPhkK on line 6 Notice: Trying to access array offset on value of type null in /in/jPhkK on line 6
Output for 7.3.32 - 7.3.33
boo = 2 $_SESSION[boo] =
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
boo = 2 $_SESSION[boo] = Notice: Array to string conversion in /in/jPhkK on line 6 Notice: Undefined variable: Array in /in/jPhkK on line 6
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
boo = 2 $_SESSION[boo] = Notice: Undefined variable: $boo in /in/jPhkK on line 6
preferences:
211.31 ms | 402 KiB | 241 Q