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Bugs & Features
<?php $foo = array('baR' => 'baz'); var_dump($foo['bar']); var_dump($foo['baR']);
Output for 5.3.0 - 7.1.0
Notice: Undefined index: bar in /in/mQQT0 on line 5 NULL string(3) "baz"
Output for 4.3.0 - 5.2.17
Notice: Undefined index: bar in /in/mQQT0 on line 5 NULL string(3) "baz"