3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var=10; $a=0; for($i=1;$i<=$var;$i++){ $a=.$i; } ?> echo $a;
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '.' in /in/cEgTQ on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.' in /in/cEgTQ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cEgTQ on line 5
Process exited with code 255.
preferences:
218.81 ms | 1395 KiB | 121 Q