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USE AT YOUR OWN RISK.\n See http://www.JSON.org/js.html\n */\n\n var $global = (typeof window !== 'undefined' ? window : global)\n $global.$locutus = $global.$locutus || {}\n var $locutus = $global.$locutus\n $locutus.php = $locutus.php || {}\n\n var json = $global.JSON\n var retVal\n try {\n if (typeof json === 'object' && typeof json.stringify === 'function') {\n // Errors will not be caught here if our own equivalent to resource\n retVal = json.stringify(mixedVal)\n if (retVal === undefined) {\n throw new SyntaxError('json_encode')\n }\n return retVal\n }\n\n var value = mixedVal\n\n var quote = function (string) {\n var escapeChars = [\n '\\u0000-\\u001f',\n '\\u007f-\\u009f',\n '\\u00ad',\n '\\u0600-\\u0604',\n '\\u070f',\n '\\u17b4',\n '\\u17b5',\n '\\u200c-\\u200f',\n '\\u2028-\\u202f',\n '\\u2060-\\u206f',\n '\\ufeff',\n '\\ufff0-\\uffff'\n ].join('')\n var escapable = new RegExp('[\\\\\"' + escapeChars + ']', 'g')\n var meta = {\n // table of character substitutions\n '\\b': '\\\\b',\n '\\t': '\\\\t',\n '\\n': '\\\\n',\n '\\f': '\\\\f',\n '\\r': '\\\\r',\n '\"': '\\\\\"',\n '\\\\': '\\\\\\\\'\n }\n\n escapable.lastIndex = 0\n return escapable.test(string) ? '\"' + string.replace(escapable, function (a) {\n var c = meta[a]\n return typeof c === 'string' ? c : '\\\\u' + ('0000' + a.charCodeAt(0)\n .toString(16))\n .slice(-4)\n }) + '\"' : '\"' + string + '\"'\n }\n\n var _str = function (key, holder) {\n var gap = ''\n var indent = ' '\n // The loop counter.\n var i = 0\n // The member key.\n var k = ''\n // The member value.\n var v = ''\n var length = 0\n var mind = gap\n var partial = []\n var value = holder[key]\n\n // If the value has a toJSON method, call it to obtain a replacement value.\n if (value && typeof value === 'object' && typeof value.toJSON === 'function') {\n value = value.toJSON(key)\n }\n\n // What happens next depends on the value's type.\n switch (typeof value) {\n case 'string':\n return quote(value)\n\n case 'number':\n // JSON numbers must be finite. Encode non-finite numbers as null.\n return isFinite(value) ? String(value) : 'null'\n\n case 'boolean':\n case 'null':\n // If the value is a boolean or null, convert it to a string. Note:\n // typeof null does not produce 'null'. The case is included here in\n // the remote chance that this gets fixed someday.\n return String(value)\n\n case 'object':\n // If the type is 'object', we might be dealing with an object or an array or\n // null.\n // Due to a specification blunder in ECMAScript, typeof null is 'object',\n // so watch out for that case.\n if (!value) {\n return 'null'\n }\n\n // Make an array to hold the partial results of stringifying this object value.\n gap += indent\n partial = []\n\n // Is the value an array?\n if (Object.prototype.toString.apply(value) === '[object Array]') {\n // The value is an array. Stringify every element. Use null as a placeholder\n // for non-JSON values.\n length = value.length\n for (i = 0; i < length; i += 1) {\n partial[i] = _str(i, value) || 'null'\n }\n\n // Join all of the elements together, separated with commas, and wrap them in\n // brackets.\n v = partial.length === 0 ? '[]' : gap\n ? '[\\n' + gap + partial.join(',\\n' + gap) + '\\n' + mind + ']'\n : '[' + partial.join(',') + ']'\n gap = mind\n return v\n }\n\n // Iterate through all of the keys in the object.\n for (k in value) {\n if (Object.hasOwnProperty.call(value, k)) {\n v = _str(k, value)\n if (v) {\n partial.push(quote(k) + (gap ? ': ' : ':') + v)\n }\n }\n }\n\n // Join all of the member texts together, separated with commas,\n // and wrap them in braces.\n v = partial.length === 0 ? '{}' : gap\n ? '{\\n' + gap + partial.join(',\\n' + gap) + '\\n' + mind + '}'\n : '{' + partial.join(',') + '}'\n gap = mind\n return v\n case 'undefined':\n case 'function':\n default:\n throw new SyntaxError('json_encode')\n }\n }\n\n // Make a fake root object containing our value under the key of ''.\n // Return the result of stringifying the value.\n return _str('', {\n '': value\n })\n } catch (err) {\n // @todo: ensure error handling above throws a SyntaxError in all cases where it could\n // (i.e., when the JSON global is not available and there is an error)\n if (!(err instanceof SyntaxError)) {\n throw new Error('Unexpected error type in json_encode()')\n }\n // usable by json_last_error()\n $locutus.php.last_error_json = 4\n return null\n }\n}\n"]}
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