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(function () {

window.wfi18n = {
		__: function(text) {
			if (window.WordfenceI18nStrings && text in window.WordfenceI18nStrings) {
				return window.WordfenceI18nStrings[text];
			}
			return text;
		}
	};

if (typeof wp === 'object' && wp.i18n) {
		window.wfi18n.sprintf = wp.i18n.sprintf;
		return;
	}

/**
	 * Code has been adapted from WordPress' i18n.js functions and is being used as a polyfill for WordPress
	 * versions before 5.0.
	 */
	var re = {
		not_string: /[^s]/,
		not_bool: /[^t]/,
		not_type: /[^T]/,
		not_primitive: /[^v]/,
		number: /[diefg]/,
		numeric_arg: /[bcdiefguxX]/,
		json: /[j]/,
		not_json: /[^j]/,
		text: /^[^\x25]+/,
		modulo: /^\x25{2}/,
		placeholder: /^\x25(?:([1-9]\d*)\$|$([^)]+)$)?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijostTuvxX])/,
		key: /^([a-z_][a-z_\d]*)/i,
		key_access: /^\.([a-z_][a-z_\d]*)/i,
		index_access: /^\[(\d+)\]/,
		sign: /^[+-]/
	};

function sprintf(key) {
		// `arguments` is not an array, but should be fine for this call
		return sprintf_format(sprintf_parse(key), arguments)
	}

function vsprintf(fmt, argv) {
		return sprintf.apply(null, [fmt].concat(argv || []))
	}

if (re.not_type.test(ph.type) && re.not_primitive.test(ph.type) && arg instanceof Function) {
					arg = arg()
				}

if (re.numeric_arg.test(ph.type) && (typeof arg !== 'number' && isNaN(arg))) {
					throw new TypeError(sprintf('[sprintf] expecting number but found %T', arg))
				}

if (re.number.test(ph.type)) {
					is_positive = arg >= 0
				}

switch (ph.type) {
					case 'b':
						arg = parseInt(arg, 10).toString(2)
						break
					case 'c':
						arg = String.fromCharCode(parseInt(arg, 10))
						break
					case 'd':
					case 'i':
						arg = parseInt(arg, 10)
						break
					case 'j':
						arg = JSON.stringify(arg, null, ph.width ? parseInt(ph.width) : 0)
						break
					case 'e':
						arg = ph.precision ? parseFloat(arg).toExponential(ph.precision) : parseFloat(arg).toExponential()
						break
					case 'f':
						arg = ph.precision ? parseFloat(arg).toFixed(ph.precision) : parseFloat(arg)
						break
					case 'g':
						arg = ph.precision ? String(Number(arg.toPrecision(ph.precision))) : parseFloat(arg)
						break
					case 'o':
						arg = (parseInt(arg, 10) >>> 0).toString(8)
						break
					case 's':
						arg = String(arg)
						arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
						break
					case 't':
						arg = String(!!arg)
						arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
						break
					case 'T':
						arg = Object.prototype.toString.call(arg).slice(8, -1).toLowerCase()
						arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
						break
					case 'u':
						arg = parseInt(arg, 10) >>> 0
						break
					case 'v':
						arg = arg.valueOf()
						arg = (ph.precision ? arg.substring(0, ph.precision) : arg)
						break
					case 'x':
						arg = (parseInt(arg, 10) >>> 0).toString(16)
						break
					case 'X':
						arg = (parseInt(arg, 10) >>> 0).toString(16).toUpperCase()
						break
				}
				if (re.json.test(ph.type)) {
					output += arg
				}
				else {
					if (re.number.test(ph.type) && (!is_positive || ph.sign)) {
						sign = is_positive ? '+' : '-'
						arg = arg.toString().replace(re.sign, '')
					}
					else {
						sign = ''
					}
					pad_character = ph.pad_char ? ph.pad_char === '0' ? '0' : ph.pad_char.charAt(1) : ' '
					pad_length = ph.width - (sign + arg).length
					pad = ph.width ? (pad_length > 0 ? pad_character.repeat(pad_length) : '') : ''
					output += ph.align ? sign + arg + pad : (pad_character === '0' ? sign + pad + arg : pad + sign + arg)
				}
			}
		}
		return output
	}

var sprintf_cache = Object.create(null)

function sprintf_parse(fmt) {
		if (sprintf_cache[fmt]) {
			return sprintf_cache[fmt]
		}

var _fmt = fmt, match, parse_tree = [], arg_names = 0
		while (_fmt) {
			if ((match = re.text.exec(_fmt)) !== null) {
				parse_tree.push(match[0])
			}
			else if ((match = re.modulo.exec(_fmt)) !== null) {
				parse_tree.push('%')
			}
			else if ((match = re.placeholder.exec(_fmt)) !== null) {
				if (match[2]) {
					arg_names |= 1
					var field_list = [], replacement_field = match[2], field_match = []
					if ((field_match = re.key.exec(replacement_field)) !== null) {
						field_list.push(field_match[1])
						while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
							if ((field_match = re.key_access.exec(replacement_field)) !== null) {
								field_list.push(field_match[1])
							}
							else if ((field_match = re.index_access.exec(replacement_field)) !== null) {
								field_list.push(field_match[1])
							}
							else {
								throw new SyntaxError('[sprintf] failed to parse named argument key')
							}
						}
					}
					else {
						throw new SyntaxError('[sprintf] failed to parse named argument key')
					}
					match[2] = field_list
				}
				else {
					arg_names |= 2
				}
				if (arg_names === 3) {
					throw new Error('[sprintf] mixing positional and named placeholders is not (yet) supported')
				}

parse_tree.push(
					{
						placeholder: match[0],
						param_no:    match[1],
						keys:        match[2],
						sign:        match[3],
						pad_char:    match[4],
						align:       match[5],
						width:       match[6],
						precision:   match[7],
						type:        match[8]
					}
				)
			}
			else {
				throw new SyntaxError('[sprintf] unexpected placeholder')
			}
			_fmt = _fmt.substring(match[0].length)
		}
		return sprintf_cache[fmt] = parse_tree
	}

window.wfi18n.sprintf = sprintf;
})();