filter_var_array
filter_var_array
Gets multiple variables and optionally filters them
**filter_var_array** array $array $options bool $add_empty
Filter an associative array of values using
validation filters,
sanitization filters, or custom filters.
FILTER_VALIDATE_*``FILTER_SANITIZE_*
arrayAn associative array containing the data to filter.
options
Either an associative of options,
or the filter to apply to each entry,
which can either be a validation filter by using one of the
constants, or a sanitization filter by using one of the
constants.
`array``FILTER_VALIDATE_*``FILTER_SANITIZE_*`
The option array is an associative array where the key corresponds
to a key in the data and the associated
value is either the filter to apply to this entry,
or an associative array describing how and which filter should be
applied to this entry.
`array`
The associative array describing how a filter should be applied
must contain the key whose associated
value is the filter to apply, which can be one of the
,
,
, or
constants.
It can optionally contain the key
which specifies and flags that apply to the filter,
and the key which specifies any options
that apply to the filter.
`'filter'``FILTER_VALIDATE_*``FILTER_SANITIZE_*``FILTER_UNSAFE_RAW``FILTER_CALLBACK``'flags'``'options'`
add_emptyAdd missing keys as null to the return value.
An array containing the values of the requested variables on success, or false on failure. An array value will be false if the filter fails, or null if the variable is not set.
Voorbeeld: A example
<?php
$data = [
'product_id' => 'libgd<script>',
'component' => '10',
'versions' => '2.0.33',
'testscalar' => ['2', '23', '10', '12'],
'testarray' => '2',
];
$filters = [
'product_id' => FILTER_SANITIZE_ENCODED,
'component' => [
'filter' => FILTER_VALIDATE_INT,
'flags' => FILTER_FORCE_ARRAY,
'options' => [
'min_range' => 1,
'max_range' => 10,
],
],
'versions' => [
'filter' => FILTER_SANITIZE_ENCODED
],
'testscalar' => [
'filter' => FILTER_VALIDATE_INT,
'flags' => FILTER_REQUIRE_SCALAR,
],
'testarray' => [
'filter' => FILTER_VALIDATE_INT,
'flags' => FILTER_FORCE_ARRAY,
],
'doesnotexist' => FILTER_VALIDATE_INT,
];
var_dump(filter_var_array($data, $filters));
?>
array(6) {
["product_id"]=>
string(17) "libgd%3Cscript%3E"
["component"]=>
array(1) {
[0]=>
int(10)
}
["versions"]=>
string(6) "2.0.33"
["testscalar"]=>
bool(false)
["testarray"]=>
array(1) {
[0]=>
int(2)
}
["doesnotexist"]=>
NULL
}
filter_input_array``filter_var``filter_input``FILTER_VALIDATE_*``FILTER_SANITIZE_*