3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(); $x['a']['b'] = true; $x['a']['c'] = false; if (!empty($x['a']['b']['d]')) { print "true"; } else { print "false"; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ')', expecting ']' in /in/Vh2vV on line 5
Process exited with code 255.
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184.99 ms | 1395 KiB | 66 Q