Removing strings or non-integer values from an array in PHP – Simple and Easy Method

Here we are going to discuss how to remove strings or non-integer values from an array in php.

For this we need to use one simple array function in php called array_filter() . it always filters an array using a callback function.

array_filter(array, callbackfunction, flag)

array([0]  => 1,
      [1]  => 'one',
      [2]  => 2,
      [3]  => 'two',
      [4]  => 3);

Expected Result :

array([0]  => 1,
      [1]  => 2,
      [2]  => 3);

Solution :

$result = array_filter($array, 'is_numeric');

Here you dont have to do any other steps as ‘is_numeric’ is a built in function, all you have to do is just call this line.

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