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  • Filtering multiple variables

    @pushpendra.rawat
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    Here we will learn how to filter multiple variable using the filter_var_array() function.It returns an array of values for all the requested variables else it will return FALSE if failed.

    Example

    $abcd = array
  (
  "firstname" => "ravi",
  "lastname" => "kumar",
  "age" => "36",
  "email" => "ravi@yopmail.com",
  );

$filter_all = array
  (
  "firstname" => array
    (
    "filter"=>FILTER_CALLBACK,
    "flags"=>FILTER_FORCE_ARRAY,
    "options"=>"ucwords"
    ),
     "lastname" => array
    (
    "filter"=>FILTER_CALLBACK,
    "flags"=>FILTER_FORCE_ARRAY,
    "options"=>"ucwords"
    ),
  "age" => array
    (
    "filter"=>FILTER_VALIDATE_INT,
    "options"=>array
      (
      "min_range"=>1,
      "max_range"=>100
      )
    ),
  "email"=> FILTER_VALIDATE_EMAIL,
  );

echo '<pre>'; print_r(filter_var_array($abcd, $filter_all));

    OUTPUT:

    Array ( [firstname] => Ravi [lastname] => Kumar [age] => 36 [email] => ravi@yopmail.com )

    Filter Multiple variables using filter_var_array()
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