3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_set(& $v) { return $v !== null; } function void() { // void something } for( $all = 0, $start = microtime('float'), $now = 1, $last = 2000; $now =< $last; $now++) { }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '<' in /in/HsfEa on line 17
Process exited with code 255.

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