3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1 $b=2 $c=3 $d=4 echo 'var saveName = "' . $a . '_KID=' . $b . '_RID=' . $c . '";var RID = ' . $d . ';';
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.14, 7.1.0
Parse error: syntax error, unexpected '$b' (T_VARIABLE) in /in/to4vk on line 4
Process exited with code 255.
preferences:
153.73 ms | 1435 KiB | 7 Q