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Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 7.2.29 - 7.2.33 , 7.3.12 - 7.3.31 , 7.4.0 - 7.4.25 , 7.4.27 - 7.4.32 , 8.0.0 - 8.0.12 , 8.0.14 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 <?
function filter_input_utf8($type, $default = array()) {
static $is_recursive_static = false;
$is_recursive = $is_recursive_static;
if (!$is_recursive_static) {
$types = array(
INPUT_GET => $_GET,
INPUT_POST => $_POST,
INPUT_COOKIE => $_COOKIE,
INPUT_REQUEST => $_REQUEST,
INPUT_ENV => $_ENV,
INPUT_SERVER => $_SERVER,
);
if (!isset($types[$type])) {
return $default;
}
$var = $types[$type];
$is_recursive_static = true;
} else {
$var = $type;
}
$ret = array();
foreach ((array)$default as $key => $value) {
if (!isset($var[$key])) {
$ret[$key] = $value;
} elseif (is_array($value)) {
$ret[$key] = filter_input_utf8($var[$key], $value);
} elseif (is_array($var[$key]) || !preg_match('//u', $var)) {
$ret[$key] = $value;
} else {
$ret[$key] = $var[$key];
}
}
if (!$is_recursive) {
$is_recursive_static = false;
}
return $ret;
}
$_POST = array(
'a' => array(
'b' => 'Invalid Data',
),
'c' => array(
'd' => 'Valid Data',
),
'e' => 'Valid Data',
'f' => 'Unneeded Data',
);
$post = filter_input_utf8($_POST, array(
'a' => null,
'c' => array(
'd' => null,
),
'e' => null,
));
var_dump($post); Output for 8.0.13 Fatal error: Uncaught Error: Undefined constant "INPUT_REQUEST" in /in/DEIi8:10
Stack trace:
#0 /in/DEIi8(50): filter_input_utf8(Array, Array)
#1 {main}
thrown in /in/DEIi8 on line 10
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.21 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.13 , 7.3.0 - 7.3.1 , 7.3.32 - 7.3.33 , 7.4.26 , 7.4.33 Warning: Illegal offset type in isset or empty in /in/DEIi8 on line 14
array(3) {
["a"]=>
NULL
["c"]=>
array(1) {
["d"]=>
NULL
}
["e"]=>
NULL
}