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filter_input_array() function in PHP
The filter_input_array() function gets names of external variables and filters them optionally.
Syntax
filter_input_array(type, arraydefine, add_empty)
Parameters
type − There are five types of inputs to check i.e. INPUT_GET, INPUT_POST, INPUT_COOKIE, INPUT_SERVER, or INPUT_ENV.
arraydefine − It specifies an array of filter arguments. It is optional.
add_empty − If value is True, it adds missing keys as NULL to the return value.
Return
The filter_input_array() function returns an array containing the values of the variables on success, or false on failure.
Example
The following is an example that use the filter_input_array() function to filter POST variables stname (student name), stmarks (student marks), stemail (student email)
<?php
$filters = array (
"stname" => array (
"filter"=>FILTER_CALLBACK,
"flags"=>FILTER_FORCE_ARRAY,
"options"=>"ucwords"
),
"stmarks" => array (
"filter"=>FILTER_VALIDATE_INT,
"options"=>array (
"min_range"=>1,
"max_range"=>100
)
),
"stemail"=> FILTER_VALIDATE_EMAIL,
);
print_r(filter_input_array(INPUT_POST, $filters));
?>
The following is the output.
Array ( [stname] => Jack [stmarks] => 95 [stemail] => jack@abcde.com )
Updated on: 30-Jul-2019
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