/**
* Removes from supplied array values that begin with binary (non-character) data.
* Arrays may be of any depth.
*
* Note that function is of limited use outside of the case it was designed for: to remove binary entries from extracted EXIF metadata arrays.
*
* @param array $pa_array The array to sanitize
* @param array $pa_options
* allowStdClass = stdClass object array values are allowed. This is useful for arrays that are about to be passed to json_encode [Default=false]
* removeNonCharacterData = remove non-character data from all array value. This option leaves all character data in-place [Default=false]
* @return array The sanitized array
*/
function caSanitizeArray($pa_array, $pa_options = null)
{
if (!is_array($pa_array)) {
return array();
}
$vb_allow_stdclass = caGetOption('allowStdClass', $pa_options, false);
$vb_remove_noncharacter_data = caGetOption('removeNonCharacterData', $pa_options, false);
foreach ($pa_array as $vn_k => $vm_v) {
if (is_array($vm_v)) {
$pa_array[$vn_k] = caSanitizeArray($vm_v, $pa_options);
} else {
if ($vb_allow_stdclass && is_object($vm_v) && get_class($vm_v) == 'stdClass') {
continue;
}
if (!preg_match("!^\\X+\$!", $vm_v) || !mb_detect_encoding($vm_v)) {
unset($pa_array[$vn_k]);
continue;
}
if ($vb_remove_noncharacter_data) {
$pa_array[$vn_k] = caSanitizeStringForJsonEncode($pa_array[$vn_k]);
}
}
}
return $pa_array;
}
public function testSanitizeStringHelper()
{
$this->assertEquals('test test', caSanitizeStringForJsonEncode('test test'));
$this->assertEquals('"test" test', caSanitizeStringForJsonEncode('"test" test'));
$this->assertEquals('(test) test', caSanitizeStringForJsonEncode('(test) test'));
}