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diff --git a/node_modules/locutus/php/json/json_encode.js b/node_modules/locutus/php/json/json_encode.js
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+++ b/node_modules/locutus/php/json/json_encode.js
@@ -0,0 +1,166 @@
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+module.exports = function json_encode(mixedVal) {
+  // eslint-disable-line camelcase
+  //       discuss at: http://phpjs.org/functions/json_encode/
+  //      original by: Public Domain (http://www.json.org/json2.js)
+  // reimplemented by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+  //      improved by: Michael White
+  //         input by: felix
+  //      bugfixed by: Brett Zamir (http://brett-zamir.me)
+  //        example 1: json_encode('Kevin')
+  //        returns 1: '"Kevin"'
+
+  /*
+    http://www.JSON.org/json2.js
+    2008-11-19
+    Public Domain.
+    NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
+    See http://www.JSON.org/js.html
+  */
+
+  var $global = typeof window !== 'undefined' ? window : global;
+  $global.$locutus = $global.$locutus || {};
+  var $locutus = $global.$locutus;
+  $locutus.php = $locutus.php || {};
+
+  var json = $global.JSON;
+  var retVal;
+  try {
+    if ((typeof json === 'undefined' ? 'undefined' : _typeof(json)) === 'object' && typeof json.stringify === 'function') {
+      // Errors will not be caught here if our own equivalent to resource
+      retVal = json.stringify(mixedVal);
+      if (retVal === undefined) {
+        throw new SyntaxError('json_encode');
+      }
+      return retVal;
+    }
+
+    var value = mixedVal;
+
+    var quote = function quote(string) {
+      var escapeChars = ['\0-\x1F', '\x7F-\x9F', '\xAD', '\u0600-\u0604', '\u070F', '\u17B4', '\u17B5', '\u200C-\u200F', '\u2028-\u202F', '\u2060-\u206F', '\uFEFF', '\uFFF0-\uFFFF'].join('');
+      var escapable = new RegExp('[\\"' + escapeChars + ']', 'g');
+      var meta = {
+        // table of character substitutions
+        '\b': '\\b',
+        '\t': '\\t',
+        '\n': '\\n',
+        '\f': '\\f',
+        '\r': '\\r',
+        '"': '\\"',
+        '\\': '\\\\'
+      };
+
+      escapable.lastIndex = 0;
+      return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
+        var c = meta[a];
+        return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+      }) + '"' : '"' + string + '"';
+    };
+
+    var _str = function _str(key, holder) {
+      var gap = '';
+      var indent = '    ';
+      // The loop counter.
+      var i = 0;
+      // The member key.
+      var k = '';
+      // The member value.
+      var v = '';
+      var length = 0;
+      var mind = gap;
+      var partial = [];
+      var value = holder[key];
+
+      // If the value has a toJSON method, call it to obtain a replacement value.
+      if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.toJSON === 'function') {
+        value = value.toJSON(key);
+      }
+
+      // What happens next depends on the value's type.
+      switch (typeof value === 'undefined' ? 'undefined' : _typeof(value)) {
+        case 'string':
+          return quote(value);
+
+        case 'number':
+          // JSON numbers must be finite. Encode non-finite numbers as null.
+          return isFinite(value) ? String(value) : 'null';
+
+        case 'boolean':
+        case 'null':
+          // If the value is a boolean or null, convert it to a string. Note:
+          // typeof null does not produce 'null'. The case is included here in
+          // the remote chance that this gets fixed someday.
+          return String(value);
+
+        case 'object':
+          // If the type is 'object', we might be dealing with an object or an array or
+          // null.
+          // Due to a specification blunder in ECMAScript, typeof null is 'object',
+          // so watch out for that case.
+          if (!value) {
+            return 'null';
+          }
+
+          // Make an array to hold the partial results of stringifying this object value.
+          gap += indent;
+          partial = [];
+
+          // Is the value an array?
+          if (Object.prototype.toString.apply(value) === '[object Array]') {
+            // The value is an array. Stringify every element. Use null as a placeholder
+            // for non-JSON values.
+            length = value.length;
+            for (i = 0; i < length; i += 1) {
+              partial[i] = _str(i, value) || 'null';
+            }
+
+            // Join all of the elements together, separated with commas, and wrap them in
+            // brackets.
+            v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']';
+            gap = mind;
+            return v;
+          }
+
+          // Iterate through all of the keys in the object.
+          for (k in value) {
+            if (Object.hasOwnProperty.call(value, k)) {
+              v = _str(k, value);
+              if (v) {
+                partial.push(quote(k) + (gap ? ': ' : ':') + v);
+              }
+            }
+          }
+
+          // Join all of the member texts together, separated with commas,
+          // and wrap them in braces.
+          v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}';
+          gap = mind;
+          return v;
+        case 'undefined':
+        case 'function':
+        default:
+          throw new SyntaxError('json_encode');
+      }
+    };
+
+    // Make a fake root object containing our value under the key of ''.
+    // Return the result of stringifying the value.
+    return _str('', {
+      '': value
+    });
+  } catch (err) {
+    // @todo: ensure error handling above throws a SyntaxError in all cases where it could
+    // (i.e., when the JSON global is not available and there is an error)
+    if (!(err instanceof SyntaxError)) {
+      throw new Error('Unexpected error type in json_encode()');
+    }
+    // usable by json_last_error()
+    $locutus.php.last_error_json = 4;
+    return null;
+  }
+};
+//# sourceMappingURL=json_encode.js.map
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