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Edit: strtotime

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Description:	Convert string representation of date and time to a timestamp.

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Code:	function strtotime (str, now) { // http://jsphp.co/jsphp/fn/view/strtotime // + original by: Caio Ariede (http://caioariede.com) // + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + input by: David // + improved by: Caio Ariede (http://caioariede.com) // + improved by: Brett Zamir (http://brett-zamir.me) // + bugfixed by: Wagner B. Soares // + bugfixed by: Artur Tchernychev // % note 1: Examples all have a fixed timestamp to prevent tests to fail because of variable time(zones) // * example 1: strtotime('+1 day', 1129633200); // * returns 1: 1129719600 // * example 2: strtotime('+1 week 2 days 4 hours 2 seconds', 1129633200); // * returns 2: 1130425202 // * example 3: strtotime('last month', 1129633200); // * returns 3: 1127041200 // * example 4: strtotime('2009-05-04 08:30:00'); // * returns 4: 1241418600 var i, l, match, s, parse = ''; str = str.replace(/\s{2,}\|^\s\|\s$/g, ' '); // unecessary spaces str = str.replace(/[\t\r\n]/g, ''); // unecessary chars if (str === 'now') { return now === null \|\| isNaN(now) ? new Date().getTime() / 1000 \| 0 : now \| 0; } else if (!isNaN(parse = Date.parse(str))) { return parse / 1000 \| 0; } else if (now) { now = new Date(now * 1000); // Accept PHP-style seconds } else { now = new Date(); } str = str.toLowerCase(); var __is = { day: { 'sun': 0, 'mon': 1, 'tue': 2, 'wed': 3, 'thu': 4, 'fri': 5, 'sat': 6 }, mon: [ 'jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec' ] }; var process = function (m) { var ago = (m[2] && m[2] === 'ago'); var num = (num = m[0] === 'last' ? -1 : 1) * (ago ? -1 : 1); switch (m[0]) { case 'last': case 'next': switch (m[1].substring(0, 3)) { case 'yea': now.setFullYear(now.getFullYear() + num); break; case 'mon': now.setMonth(now.getMonth() + num); break; case 'wee': now.setDate(now.getDate() + (num * 7)); break; case 'day': now.setDate(now.getDate() + num); break; case 'hou': now.setHours(now.getHours() + num); break; case 'min': now.setMinutes(now.getMinutes() + num); break; case 'sec': now.setSeconds(now.getSeconds() + num); break; default: var day = __is.day[m[1].substring(0, 3)]; if (typeof day !== 'undefined') { var diff = day - now.getDay(); if (diff === 0) { diff = 7 * num; } else if (diff > 0) { if (m[0] === 'last') { diff -= 7; } } else { if (m[0] === 'next') { diff += 7; } } now.setDate(now.getDate() + diff); } } break; default: if (/\d+/.test(m[0])) { num = parseInt(m[0], 10); switch (m[1].substring(0, 3)) { case 'yea': now.setFullYear(now.getFullYear() + num); break; case 'mon': now.setMonth(now.getMonth() + num); break; case 'wee': now.setDate(now.getDate() + (num 7)); break; case 'day': now.setDate(now.getDate() + num); break; case 'hou': now.setHours(now.getHours() + num); break; case 'min': now.setMinutes(now.getMinutes() + num); break; case 'sec': now.setSeconds(now.getSeconds() + num); break; } } else { return false; } break; } return true; }; match = str.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/); if (match !== null) { if (!match[2]) { match[2] = '00:00:00'; } else if (!match[3]) { match[2] += ':00'; } s = match[1].split(/-/g); s[1] = __is.mon[s[1] - 1] \|\| s[1]; s[0] = +s[0]; s[0] = (s[0] >= 0 && s[0] <= 69) ? '20' + (s[0] < 10 ? '0' + s[0] : s[0] + '') : (s[0] >= 70 && s[0] <= 99) ? '19' + s[0] : s[0] + ''; return parseInt(this.strtotime(s[2] + ' ' + s[1] + ' ' + s[0] + ' ' + match[2]) + (match[4] ? match[4] / 1000 : ''), 10); } var regex = '([+-]?\\d+\\s' + '(years?\|months?\|weeks?\|days?\|hours?\|min\|minutes?\|sec\|seconds?' + '\|sun\\.?\|sunday\|mon\\.?\|monday\|tue\\.?\|tuesday\|wed\\.?\|wednesday' + '\|thu\\.?\|thursday\|fri\\.?\|friday\|sat\\.?\|saturday)' + '\|(last\|next)\\s' + '(years?\|months?\|weeks?\|days?\|hours?\|min\|minutes?\|sec\|seconds?' + '\|sun\\.?\|sunday\|mon\\.?\|monday\|tue\\.?\|tuesday\|wed\\.?\|wednesday' + '\|thu\\.?\|thursday\|fri\\.?\|friday\|sat\\.?\|saturday))' + '(\\sago)?'; match = str.match(new RegExp(regex, 'gi')); // Brett: seems should be case insensitive per docs, so added 'i' if (match === null) { return false; } for (i = 0, l = match.length; i < l; i++) { if (!process(match[i].split(' '))) { return false; } } return now.getTime() / 1000 \| 0; }
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