/**
*
*/
public function testUseFilterExt()
{
$this->assertTrue(Inspekt::useFilterExt(true));
$this->assertTrue(Inspekt::useFilterExt());
$this->assertFalse(Inspekt::useFilterExt(false));
$this->assertFalse(Inspekt::useFilterExt());
}
/**
* returns value with tags stripped and the chars '"&<> and all ascii chars under 32 encoded as html entities
*
* This will utilize the PHP Filter extension if available
*
* @param mixed $value
* @return @mixed
*
* @tag filter
*
*/
public static function noTagsOrSpecial($value)
{
if (Inspekt::isArrayOrArrayObject($value)) {
return Inspekt::_walkArray($value, 'noTagsOrSpecial');
} else {
if (Inspekt::useFilterExt()) {
$newval = filter_var($value, FILTER_SANITIZE_STRING);
$newval = filter_var($newval, FILTER_SANITIZE_SPECIAL_CHARS);
return $newval;
} else {
$newval = strip_tags($value);
$newval = htmlspecialchars($newval, ENT_QUOTES, 'UTF-8');
// for sake of simplicity and safety we assume UTF-8
/*
convert low ascii chars to entities
*/
$newval = str_split($newval);
for ($i = 0; $i < count($newval); $i++) {
$ascii_code = ord($newval[$i]);
if ($ascii_code < 32) {
$newval[$i] = "&#{$ascii_code};";
}
}
$newval = implode($newval);
return $newval;
}
}
}
<?php
/**
* Demonstration of:
* - use of static filter methods on arrays
* - creating a cage on an arbitrary array
* - accessing a deep key in a multidim array with the "Array Query" approach
*/
require_once '../Inspekt.php';
Inspekt::useFilterExt(false);
echo "<p>Filtering an arbitrary array using Inspekt::noTags()</p>\n\n";
$d = array();
$d['input'] = '<img id="475">yes</img>';
$d['lowascii'] = ' ';
$d[] = array('foo', 'bar<br />', 'yes<P>', 1776);
$d['x']['woot'] = array('booyah' => 'meet at the bar at 7:30 pm', 'ultimate' => '<strong>hi there!</strong>');
$d['lemon'][][][][][][][][][][][][][][] = 'far';
echo "<pre>BEFORE:";
echo var_dump($d);
echo "</pre>\n";
$newd = Inspekt::noTags($d);
echo "<pre>noTags:";
echo var_dump($newd);
echo "</pre>\n";
$newd = Inspekt::noTagsOrSpecial($d);
echo "<pre>noTagsOrSpecial:";
echo var_dump($newd);
echo "</pre>\n";
$newd = Inspekt::getDigits($d);
echo "<pre>getDigits:";
echo var_dump($newd);