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  • How to remove duplicate values from a multi-dimensional array in PHP?

    @shashank.garg
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    The array_unique() function removes duplicate values from an array. If two or more array values are the same, the first appearance will be kept and the other will be removed.

    Example : 

    1. <?php
    2. $a=array("a"=>"red","b"=>"green","c"=>"red");
    3. print_r(array_unique($a));
    4. ?>

    Output : 

    1. Array ( [a] => red [b] => green )
    array_unique() php
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