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<?phpfunction jsonEncode($var) { if (function_exists(‘json_encode‘)) { return json_encode($var); } else { switch (gettype($var)) { case ‘boolean‘: return $var ? ‘true‘ : ‘false‘; // Lowercase necessary! case ‘integer‘: case ‘double‘: return $var; case ‘resource‘: case ‘string‘: return ‘"‘. str_replace(array("\r", "\n", "<", ">", "&"), array(‘\r‘, ‘\n‘, ‘\x3c‘, ‘\x3e‘, ‘\x26‘), addslashes($var)) .‘"‘; case ‘array‘: // Arrays in JSON can‘t be associative. If the array is empty or if it // has sequential whole number keys starting with 0, it‘s not associative // so we can go ahead and convert it as an array. if (empty ($var) || array_keys($var) === range(0, sizeof($var) - 1)) { $output = array(); foreach ($var as $v) { $output[] = jsonEncode($v); } return ‘[ ‘. implode(‘, ‘, $output) .‘ ]‘; } // Otherwise, fall through to convert the array as an object. case ‘object‘: $output = array(); foreach ($var as $k => $v) { $output[] = jsonEncode(strval($k)) .‘: ‘. jsonEncode($v); } return ‘{ ‘. implode(‘, ‘, $output) .‘ }‘; default: return ‘null‘; } }}$arr=array(‘name‘=>‘CSDN论坛‘,‘degree‘=>‘numberone‘);echo jsonEncode($arr);?> |
转载地址：http://blog.csdn.net/ktz666/article/details/7593040
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原文地址：http://www.cnblogs.com/songzhenghe/p/4582310.html
