PHP efficiently removes duplicate values ​​from array_PHP tutorial

This article is a simple and efficient code for removing duplicate values ​​from a one-dimensional array. Friends in need can simply refer to it.

$a=array("a"=>"Cat","b"=>"Dog","c"=>"Cat");
print_r(array_unique($a));
?>

The code is as follows

代码如下	复制代码
$a=array("a"=>"Cat","b"=>"Dog","c"=>"Cat"); print_r(array_unique($a)); ?> Array ( [a] => Cat [b] => Dog )

Copy code

Array ( [a] => Cat [b] => Dog )

As a result, we only kept one Cat. http://www.bkjia.com/PHPjc/631314.htmlwww.bkjia.com

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TechArticleThis article is a simple and efficient code for removing duplicate values ​​from a one-dimensional array. Friends in need can provide a simple reference. Just a moment. The code is as follows Copy the code ?php $a=array(a=Cat,b=Dog,c=Cat);...