PHP 5.5.15 is released

filter_var_array

(PHP 5 >= 5.2.0)

filter_var_arrayGets multiple variables and optionally filters them

Descrierea

mixed filter_var_array ( array $data [, mixed $definition [, bool $add_empty = true ]] )

This function is useful for retrieving many values without repetitively calling filter_var().

Parametri

data

An array with string keys containing the data to filter.

definition

An array defining the arguments. A valid key is a string containing a variable name and a valid value is either a filter type, or an array optionally specifying the filter, flags and options. If the value is an array, valid keys are filter which specifies the filter type, flags which specifies any flags that apply to the filter, and options which specifies any options that apply to the filter. See the example below for a better understanding.

This parameter can be also an integer holding a filter constant. Then all values in the input array are filtered by this filter.

add_empty

Add missing keys as NULL to the return value.

Valorile întoarse

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.

Exemple

Example #1 A filter_var_array() example

<?php
error_reporting
(E_ALL E_STRICT);
$data = array(
    
'product_id'    => 'libgd<script>',
    
'component'     => '10',
    
'versions'      => '2.0.33',
    
'testscalar'    => array('2''23''10''12'),
    
'testarray'     => '2',
);

$args = array(
    
'product_id'   => FILTER_SANITIZE_ENCODED,
    
'component'    => array('filter'    => FILTER_VALIDATE_INT,
                            
'flags'     => FILTER_FORCE_ARRAY
                            
'options'   => array('min_range' => 1'max_range' => 10)
                           ),
    
'versions'     => FILTER_SANITIZE_ENCODED,
    
'doesnotexist' => FILTER_VALIDATE_INT,
    
'testscalar'   => array(
                            
'filter' => FILTER_VALIDATE_INT,
                            
'flags'  => FILTER_REQUIRE_SCALAR,
                           ),
    
'testarray'    => array(
                            
'filter' => FILTER_VALIDATE_INT,
                            
'flags'  => FILTER_FORCE_ARRAY,
                           )

);

$myinputs filter_var_array($data$args);

var_dump($myinputs);
echo 
"\n";
?>

Exemplul de mai sus va afișa:

array(6) {
  ["product_id"]=>
  array(1) {
    [0]=>
    string(17) "libgd%3Cscript%3E"
  }
  ["component"]=>
  array(1) {
    [0]=>
    int(10)
  }
  ["versions"]=>
  array(1) {
    [0]=>
    string(6) "2.0.33"
  }
  ["doesnotexist"]=>
  NULL
  ["testscalar"]=>
  bool(false)
  ["testarray"]=>
  array(1) {
    [0]=>
    int(2)
  }
}

Istoria schimbărilor

Versiunea Descriere
5.4.0 Added add_empty parameter.

Vedeți de asemenea

add a note add a note

User Contributed Notes 3 notes

up
2
Veysel zer
7 years ago
Numeric keys are not allowed in the definition array
up
-1
xavier
3 years ago
When I run the script on my linux box (php 5.2.10) the output of "Example #1 A filter_var_array() example"
is actually:

array(6) {
  ["product_id"]=>
  string(17) "libgd%3Cscript%3E"
  ["component"]=>
  array(1) {
    [0]=>
    int(10)
  }
  ["versions"]=>
  string(6) "2.0.33"
  ["doesnotexist"]=>
  NULL
  ["testscalar"]=>
  bool(false)
  ["testarray"]=>
  array(1) {
    [0]=>
    int(2)
  }
}

Notice that the values of "product_id" and "versions" are not arrays.  If you add the FILTER_FORCE_ARRAY flag to the "product_id" and "versions" filter arrays then the output returns as it is outlined in the example.
up
-3
eguvenc at gmail dot com
5 years ago
<?php
//an example of simply sanitize an array..

$data = array(
               
'<b>bold</b>',
               
'<script>javascript</script>',
               
'P*}i@893746%%%p*.i.*}}|.dw<?php echo "echo works!!";?>');

$myinputs = filter_var_array($data,FILTER_SANITIZE_STRING);

var_dump($myinputs);

//OUTPUT:
//formarray(3) { [0]=> string(4) "bold" [1]=> string(10) "javascript" [2]=> string(26) "P*}i@893746%%%p*.i.*}}|.dw" }
?>
To Top