3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); echo next($a); echo current($a)===null; echo next($a); echo current($a)===null echo next($a); echo current($a)===null; echo next($a); echo current($a)===null;
Output for 5.4.0 - 5.4.10
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting ',' or ';' in Ii03h on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.20
Parse error: syntax error, unexpected T_ECHO, expecting ',' or ';' in Ii03h on line 7
Process exited with code 255.
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170.93 ms | 1395 KiB | 39 Q