2018-11-05 13:31:45 +01:00
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<?php
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/**
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* @file src/Util/Strings.php
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*/
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namespace Friendica\Util;
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/**
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* @brief This class contains methods to modify/transform strings.
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*/
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class Strings
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{
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/**
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* escape text ($str) for XML transport
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* @param string $str
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* @return string Escaped text.
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*/
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public static function escape($str)
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{
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$buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
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$buffer = trim($buffer);
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return $buffer;
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}
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/**
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* undo an escape
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* @param string $s xml escaped text
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* @return string unescaped text
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*/
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public static function unescape($s)
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{
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$ret = htmlspecialchars_decode($s, ENT_QUOTES);
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return $ret;
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}
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/**
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* apply escape() to all values of array $val, recursively
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* @param array $val
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* @return array
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*/
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public static function arrayEscape($val)
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{
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if (is_bool($val)) {
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return $val?"true":"false";
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} elseif (is_array($val)) {
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2018-11-05 13:40:18 +01:00
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return array_map('Strings::arrayEscape', $val);
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2018-11-05 13:31:45 +01:00
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}
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return self::escape((string) $val);
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}
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}
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