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array_filter() function in PHP

The array_filter() function used for filters elements of an array using a callback function.

Syntax

array_filter(array,callback);

Example

function testOdd($var){
     return($var & 1);
}

$array=array(1,2,3,4,5,6);
print_r(array_filter($array,"testOdd"));

Output

Array ( [0] => 1 [2] => 3 [4] => 5 )

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