friendica/src/Util/Strings.php

52 lines
963 B
PHP

<?php
/**
* @file src/Util/Strings.php
*/
namespace Friendica\Util;
/**
* @brief This class contains methods to modify/transform strings.
*/
class Strings
{
/**
* escape text ($str) for XML transport
* @param string $str
* @return string Escaped text.
*/
public static function escape($str)
{
$buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
$buffer = trim($buffer);
return $buffer;
}
/**
* undo an escape
* @param string $s xml escaped text
* @return string unescaped text
*/
public static function unescape($s)
{
$ret = htmlspecialchars_decode($s, ENT_QUOTES);
return $ret;
}
/**
* apply escape() to all values of array $val, recursively
* @param array $val
* @return array
*/
public static function arrayEscape($val)
{
if (is_bool($val)) {
return $val?"true":"false";
} elseif (is_array($val)) {
return array_map('XML::arrayEscape', $val);
}
return self::escape((string) $val);
}
}