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run code in 200+ php & hhvm versions
Bugs & Features
<?php define(KEY , 'laruence'); //省略很多行代码 $array[KEY] = 2; var_dump($array); ?>
Output for 7.2.0
Warning: Use of undefined constant KEY - assumed 'KEY' (this will throw an Error in a future version of PHP) in /in/WcT4Q on line 3 array(1) { ["laruence"]=> int(2) }
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant KEY - assumed 'KEY' in /in/WcT4Q on line 3 array(1) { ["laruence"]=> int(2) }