3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 10; echo "aa $v"; print "aa $v"; echo "aa ".$v." bb"; print "aa ".$v." bb"; echo '>',$s,'>'; print '>'$s'>'
Output for 5.4.0 - 5.4.14
Parse error: syntax error, unexpected '$s' (T_VARIABLE) in /in/HMmjN on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected T_VARIABLE in /in/HMmjN on line 10
Process exited with code 255.
preferences:
175.28 ms | 1395 KiB | 47 Q