PHP 7 - Constant Arrays


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Array constants can now be defined using the define() function. In PHP 5.6, they could only be defined using const keyword.

Example

<?php
   //define a array using define function
   define('animals', [
      'dog',
      'cat',
      'bird'
   ]);
   print(animals[1]);
?>

It produces the following browser output −

cat


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