97 lines
3.1 KiB
PHP
97 lines
3.1 KiB
PHP
<?php
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/**
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* http://phptunes.blogspot.com/2007/01/phpjson.html
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*/
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class json
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{
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static $DEFAULT_ENCODING = 'windows-1251//IGNORE';
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static $INTERNAL_ENCODING = 'utf-8';
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static function encode($var)
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{
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return php2js($var); //json_encode(self::prepare($var, array('self', 'unicode_encode')));
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}
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// Преобразование json в массив
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static function decode($var, $encoding = 'utf-8', $is_array = false)
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{
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if ($encoding != 'utf-8') $var = iconv($encoding, self::$INTERNAL_ENCODING, $var);
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return self::prepare(json_decode($var, $is_array), array('self', 'unicode_decode'));
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}
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static function ident($var)
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{
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return $var;
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}
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/* windows-1251 -> utf-8 */
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static function unicode_encode($var)
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{
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return @iconv(self::$DEFAULT_ENCODING, self::$INTERNAL_ENCODING, $var);
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}
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/* utf-8 -> windows-1251 */
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static function unicode_decode($var)
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{
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return @iconv(self::$INTERNAL_ENCODING, self::$DEFAULT_ENCODING, $var);
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}
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static function prepare($var, $encode)
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{
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if (is_array($var)) {
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$new = array();
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foreach ($var as $k => $v) {
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$new[self::prepare($k, $encode)] = self::prepare($v, $encode);
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}
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$var = $new;
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} elseif (is_object($var)) {
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// Было преобразование типа для отображения !!
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$vars = get_object_vars($var);
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foreach ($vars as $m => $v) {
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$var->$m = self::prepare($var->$m, $encode);
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}
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} elseif (is_string($var)) {
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$var = call_user_func($encode, $var);
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}
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return $var;
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}
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}
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function php2js($a = false) {
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if (is_null($a)) return 'null';
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if ($a === false) return 'false';
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if ($a === true) return 'true';
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if (is_scalar($a)) {
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if (is_float($a)) {
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// Always use "." for floats.
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$a = str_replace(",", ".", strval($a));
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} else if (is_int($a)) {
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return $a;
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}
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// All scalars are converted to strings to avoid indeterminism.
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// PHP's "1" and 1 are equal for all PHP operators, but
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// JS's "1" and 1 are not. So if we pass "1" or 1 from the PHP backend,
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// we should get the same result in the JS frontend (string).
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// Character replacements for JSON.
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static $jsonReplaces = array(
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array("\\", "/", "\n", "\t", "\r", "\b", "\f", '"'),
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array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\b', '\\f', '\"'));
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return '"' . str_replace($jsonReplaces[0], $jsonReplaces[1], $a) . '"';
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}
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$isList = true;
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for ($i = 0, reset($a);$i < count($a);$i++, next($a)) {
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if (key($a) !== $i) {
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$isList = false;
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break;
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}
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}
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$result = array();
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if ($isList) {
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foreach($a as $v) $result[] = php2js($v);
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return '[' . join(',', $result) . ']';
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} else {
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foreach($a as $k => $v) $result[] = php2js($k) . ':' . php2js($v);
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return '{' . join(',', $result) . '}';
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}
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}
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