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validate elements of array
  • JeanAlesiJeanAlesi
    I'm doing an ajax call, and passing an array with user ids to the server.
    Can anyone recommend to me a good solution to validating the elements of the array. They must all be numeric.
  • HarroHarro
    Accepted Answer
    Use array_reduce() with a closure:

    $checknumeric = function($carry, $value) {
        return $carry and is_numeric($value);
    };

    $result = (is_array($input) and array_reduce($input,$checknumeric,true));

    $result will be true if $input is an array and all array values pass the is_numeric() test.
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