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Difference between constant and define function in PHP

Difference between constant and define function in PHP

Posted On 2017-02-27  

1. const takes a plain constant name, whereas define() accepts any expression as name. This allows to do things like this: for ($i = 0; $i < 32; ++$i) {     define('BIT_' . $i, 1 << $i); } 2. const a....

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