Benchmark: date format: php date(locutus.io) vs dayjs vs monent.js vs luxon vs date-fns/format

date format: php date(locutus.io) vs dayjs vs monent.js vs luxon vs date-fns/format (version: 1) Benchmark.js

php date by locutus.io dayjs 1.11.7 (jsdelivr) moment 2.29.4 (jsdelivr) luxon 3.3.0 (jsdelivr) date-fns 2.29.3 (rollup)

Comparing performance of: `test1: php date funtion vs test2: day.js vs test3: moment.js vs test4: luxon vs test5: date-fns/format`

Created: 3 years ago by: Registered User

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HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/dayjs@1.11.7/dayjs.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/luxon@3.3.0/build/global/luxon.min.js"></script>

Script Preparation code:

!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).dateFnsFormat=e()}(this,(function(){"use strict";function t(t){if(null===t||!0===t||!1===t)return NaN;var e=Number(t);return isNaN(e)?e:e<0?Math.ceil(e):Math.floor(e)}function e(t,e){if(e.length<t)throw new TypeError(t+" argument"+(t>1?"s":"")+" required, but only "+e.length+" present")}function n(t){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},n(t)}function r(t){e(1,arguments);var r=Object.prototype.toString.call(t);return t instanceof Date||"object"===n(t)&&"[object Date]"===r?new Date(t.getTime()):"number"==typeof t||"[object Number]"===r?new Date(t):("string"!=typeof t&&"[object String]"!==r||"undefined"==typeof console||(console.warn("Starting with v2.0.0-beta.1 date-fns doesn't accept strings as date arguments. Please use `parseISO` to parse strings. See: https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#string-arguments"),console.warn((new Error).stack)),new Date(NaN))}var a={};function o(){return a}function i(t){return i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},i(t)}function u(t){if(e(1,arguments),!function(t){return e(1,arguments),t instanceof Date||"object"===i(t)&&"[object Date]"===Object.prototype.toString.call(t)}(t)&&"number"!=typeof t)return!1;var n=r(t);return!isNaN(Number(n))}function s(n,a){return e(2,arguments),function(n,a){e(2,arguments);var o=r(n).getTime(),i=t(a);return new Date(o+i)}(n,-t(a))}var d=864e5;function l(t){e(1,arguments);var n=r(t),a=n.getUTCDay(),o=(a<1?7:0)+a-1;return n.setUTCDate(n.getUTCDate()-o),n.setUTCHours(0,0,0,0),n}function c(t){e(1,arguments);var n=r(t),a=n.getUTCFullYear(),o=new Date(0);o.setUTCFullYear(a+1,0,4),o.setUTCHours(0,0,0,0);var i=l(o),u=new Date(0);u.setUTCFullYear(a,0,4),u.setUTCHours(0,0,0,0);var s=l(u);return n.getTime()>=i.getTime()?a+1:n.getTime()>=s.getTime()?a:a-1}var f=6048e5;function h(t){e(1,arguments);var n=r(t),a=l(n).getTime()-function(t){e(1,arguments);var n=c(t),r=new Date(0);return r.setUTCFullYear(n,0,4),r.setUTCHours(0,0,0,0),l(r)}(n).getTime();return Math.round(a/f)+1}function m(n,a){var i,u,s,d,l,c,f,h;e(1,arguments);var m=o(),g=t(null!==(i=null!==(u=null!==(s=null!==(d=null==a?void 0:a.weekStartsOn)&&void 0!==d?d:null==a||null===(l=a.locale)||void 0===l||null===(c=l.options)||void 0===c?void 0:c.weekStartsOn)&&void 0!==s?s:m.weekStartsOn)&&void 0!==u?u:null===(f=m.locale)||void 0===f||null===(h=f.options)||void 0===h?void 0:h.weekStartsOn)&&void 0!==i?i:0);if(!(g>=0&&g<=6))throw new RangeError("weekStartsOn must be between 0 and 6 inclusively");var v=r(n),w=v.getUTCDay(),b=(w<g?7:0)+w-g;return v.setUTCDate(v.getUTCDate()-b),v.setUTCHours(0,0,0,0),v}function g(n,a){var i,u,s,d,l,c,f,h;e(1,arguments);var g=r(n),v=g.getUTCFullYear(),w=o(),b=t(null!==(i=null!==(u=null!==(s=null!==(d=null==a?void 0:a.firstWeekContainsDate)&&void 0!==d?d:null==a||null===(l=a.locale)||void 0===l||null===(c=l.options)||void 0===c?void 0:c.firstWeekContainsDate)&&void 0!==s?s:w.firstWeekContainsDate)&&void 0!==u?u:null===(f=w.locale)||void 0===f||null===(h=f.options)||void 0===h?void 0:h.firstWeekContainsDate)&&void 0!==i?i:1);if(!(b>=1&&b<=7))throw new RangeError("firstWeekContainsDate must be between 1 and 7 inclusively");var y=new Date(0);y.setUTCFullYear(v+1,0,b),y.setUTCHours(0,0,0,0);var p=m(y,a),T=new Date(0);T.setUTCFullYear(v,0,b),T.setUTCHours(0,0,0,0);var C=m(T,a);return g.getTime()>=p.getTime()?v+1:g.getTime()>=C.getTime()?v:v-1}var v=6048e5;function w(n,a){e(1,arguments);var i=r(n),u=m(i,a).getTime()-function(n,r){var a,i,u,s,d,l,c,f;e(1,arguments);var h=o(),v=t(null!==(a=null!==(i=null!==(u=null!==(s=null==r?void 0:r.firstWeekContainsDate)&&void 0!==s?s:null==r||null===(d=r.locale)||void 0===d||null===(l=d.options)||void 0===l?void 0:l.firstWeekContainsDate)&&void 0!==u?u:h.firstWeekContainsDate)&&void 0!==i?i:null===(c=h.locale)||void 0===c||null===(f=c.options)||void 0===f?void 0:f.firstWeekContainsDate)&&void 0!==a?a:1),w=g(n,r),b=new Date(0);return b.setUTCFullYear(w,0,v),b.setUTCHours(0,0,0,0),m(b,r)}(i,a).getTime();return Math.round(u/v)+1}function b(t,e){for(var n=t<0?"-":"",r=Math.abs(t).toString();r.length<e;)r="0"+r;return n+r}var y=function(t,e){var n=t.getUTCFullYear(),r=n>0?n:1-n;return b("yy"===e?r%100:r,e.length)},p=function(t,e){var n=t.getUTCMonth();return"M"===e?String(n+1):b(n+1,2)},T=function(t,e){return b(t.getUTCDate(),e.length)},C=function(t,e){return b(t.getUTCHours()%12||12,e.length)},M=function(t,e){return b(t.getUTCHours(),e.length)},D=function(t,e){return b(t.getUTCMinutes(),e.length)},k=function(t,e){return b(t.getUTCSeconds(),e.length)},S=function(t,e){var n=e.length,r=t.getUTCMilliseconds();return b(Math.floor(r*Math.pow(10,n-3)),e.length)},x="midnight",U="noon",P="morning",W="afternoon",Y="evening",E="night",N={G:function(t,e,n){var r=t.getUTCFullYear()>0?1:0;switch(e){case"G":case"GG":case"GGG":return n.era(r,{width:"abbreviated"});case"GGGGG":return n.era(r,{width:"narrow"});default:return n.era(r,{width:"wide"})}},y:function(t,e,n){if("yo"===e){var r=t.getUTCFullYear(),a=r>0?r:1-r;return n.ordinalNumber(a,{unit:"year"})}return y(t,e)},Y:function(t,e,n,r){var a=g(t,r),o=a>0?a:1-a;return"YY"===e?b(o%100,2):"Yo"===e?n.ordinalNumber(o,{unit:"year"}):b(o,e.length)},R:function(t,e){return b(c(t),e.length)},u:function(t,e){return b(t.getUTCFullYear(),e.length)},Q:function(t,e,n){var r=Math.ceil((t.getUTCMonth()+1)/3);switch(e){case"Q":return String(r);case"QQ":return b(r,2);case"Qo":return n.ordinalNumber(r,{unit:"quarter"});case"QQQ":return n.quarter(r,{width:"abbreviated",context:"formatting"});case"QQQQQ":return n.quarter(r,{width:"narrow",context:"formatting"});default:return n.quarter(r,{width:"wide",context:"formatting"})}},q:function(t,e,n){var r=Math.ceil((t.getUTCMonth()+1)/3);switch(e){case"q":return String(r);case"qq":return b(r,2);case"qo":return n.ordinalNumber(r,{unit:"quarter"});case"qqq":return n.quarter(r,{width:"abbreviated",context:"standalone"});case"qqqqq":return n.quarter(r,{width:"narrow",context:"standalone"});default:return n.quarter(r,{width:"wide",context:"standalone"})}},M:function(t,e,n){var r=t.getUTCMonth();switch(e){case"M":case"MM":return p(t,e);case"Mo":return n.ordinalNumber(r+1,{unit:"month"});case"MMM":return n.month(r,{width:"abbreviated",context:"formatting"});case"MMMMM":return n.month(r,{width:"narrow",context:"formatting"});default:return n.month(r,{width:"wide",context:"formatting"})}},L:function(t,e,n){var r=t.getUTCMonth();switch(e){case"L":return String(r+1);case"LL":return b(r+1,2);case"Lo":return n.ordinalNumber(r+1,{unit:"month"});case"LLL":return n.month(r,{width:"abbreviated",context:"standalone"});case"LLLLL":return n.month(r,{width:"narrow",context:"standalone"});default:return n.month(r,{width:"wide",context:"standalone"})}},w:function(t,e,n,r){var a=w(t,r);return"wo"===e?n.ordinalNumber(a,{unit:"week"}):b(a,e.length)},I:function(t,e,n){var r=h(t);return"Io"===e?n.ordinalNumber(r,{unit:"week"}):b(r,e.length)},d:function(t,e,n){return"do"===e?n.ordinalNumber(t.getUTCDate(),{unit:"date"}):T(t,e)},D:function(t,n,a){var o=function(t){e(1,arguments);var n=r(t),a=n.getTime();n.setUTCMonth(0,1),n.setUTCHours(0,0,0,0);var o=a-n.getTime();return Math.floor(o/d)+1}(t);return"Do"===n?a.ordinalNumber(o,{unit:"dayOfYear"}):b(o,n.length)},E:function(t,e,n){var r=t.getUTCDay();switch(e){case"E":case"EE":case"EEE":return n.day(r,{width:"abbreviated",context:"formatting"});case"EEEEE":return 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n.day(a,{width:"short",context:"standalone"});default:return n.day(a,{width:"wide",context:"standalone"})}},i:function(t,e,n){var r=t.getUTCDay(),a=0===r?7:r;switch(e){case"i":return String(a);case"ii":return b(a,e.length);case"io":return n.ordinalNumber(a,{unit:"day"});case"iii":return n.day(r,{width:"abbreviated",context:"formatting"});case"iiiii":return n.day(r,{width:"narrow",context:"formatting"});case"iiiiii":return n.day(r,{width:"short",context:"formatting"});default:return n.day(r,{width:"wide",context:"formatting"})}},a:function(t,e,n){var r=t.getUTCHours()/12>=1?"pm":"am";switch(e){case"a":case"aa":return n.dayPeriod(r,{width:"abbreviated",context:"formatting"});case"aaa":return n.dayPeriod(r,{width:"abbreviated",context:"formatting"}).toLowerCase();case"aaaaa":return n.dayPeriod(r,{width:"narrow",context:"formatting"});default:return n.dayPeriod(r,{width:"wide",context:"formatting"})}},b:function(t,e,n){var r,a=t.getUTCHours();switch(r=12===a?U:0===a?x:a/12>=1?"pm":"am",e){case"b":case"bb":return n.dayPeriod(r,{width:"abbreviated",context:"formatting"});case"bbb":return n.dayPeriod(r,{width:"abbreviated",context:"formatting"}).toLowerCase();case"bbbbb":return n.dayPeriod(r,{width:"narrow",context:"formatting"});default:return n.dayPeriod(r,{width:"wide",context:"formatting"})}},B:function(t,e,n){var r,a=t.getUTCHours();switch(r=a>=17?Y:a>=12?W:a>=4?P:E,e){case"B":case"BB":case"BBB":return n.dayPeriod(r,{width:"abbreviated",context:"formatting"});case"BBBBB":return n.dayPeriod(r,{width:"narrow",context:"formatting"});default:return n.dayPeriod(r,{width:"wide",context:"formatting"})}},h:function(t,e,n){if("ho"===e){var r=t.getUTCHours()%12;return 0===r&&(r=12),n.ordinalNumber(r,{unit:"hour"})}return C(t,e)},H:function(t,e,n){return"Ho"===e?n.ordinalNumber(t.getUTCHours(),{unit:"hour"}):M(t,e)},K:function(t,e,n){var 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e.time({width:"full"})}},L={p:z,P:function(t,e){var n,r=t.match(/(P+)(p+)?/)||[],a=r[1],o=r[2];if(!o)return H(t,e);switch(a){case"P":n=e.dateTime({width:"short"});break;case"PP":n=e.dateTime({width:"medium"});break;case"PPP":n=e.dateTime({width:"long"});break;default:n=e.dateTime({width:"full"})}return n.replace("{{date}}",H(a,e)).replace("{{time}}",z(o,e))}},Q=L,A=["D","DD"],G=["YY","YYYY"];function X(t,e,n){if("YYYY"===t)throw new RangeError("Use `yyyy` instead of `YYYY` (in `".concat(e,"`) for formatting years to the input `").concat(n,"`; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md"));if("YY"===t)throw new RangeError("Use `yy` instead of `YY` (in `".concat(e,"`) for formatting years to the input `").concat(n,"`; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md"));if("D"===t)throw new RangeError("Use `d` instead of `D` (in `".concat(e,"`) for formatting days of the month to the input `").concat(n,"`; see: 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r;if("formatting"===(null!=n&&n.context?String(n.context):"standalone")&&t.formattingValues){var a=t.defaultFormattingWidth||t.defaultWidth,o=null!=n&&n.width?String(n.width):a;r=t.formattingValues[o]||t.formattingValues[a]}else{var i=t.defaultWidth,u=null!=n&&n.width?String(n.width):t.defaultWidth;r=t.values[u]||t.values[i]}return r[t.argumentCallback?t.argumentCallback(e):e]}}var V={ordinalNumber:function(t,e){var n=Number(t),r=n%100;if(r>20||r<10)switch(r%10){case 1:return n+"st";case 2:return n+"nd";case 3:return n+"rd"}return n+"th"},era:I({values:{narrow:["B","A"],abbreviated:["BC","AD"],wide:["Before Christ","Anno Domini"]},defaultWidth:"wide"}),quarter:I({values:{narrow:["1","2","3","4"],abbreviated:["Q1","Q2","Q3","Q4"],wide:["1st quarter","2nd quarter","3rd quarter","4th quarter"]},defaultWidth:"wide",argumentCallback:function(t){return 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the morning",afternoon:"in the afternoon",evening:"in the evening",night:"at night"},abbreviated:{am:"AM",pm:"PM",midnight:"midnight",noon:"noon",morning:"in the morning",afternoon:"in the afternoon",evening:"in the evening",night:"at night"},wide:{am:"a.m.",pm:"p.m.",midnight:"midnight",noon:"noon",morning:"in the morning",afternoon:"in the afternoon",evening:"in the evening",night:"at night"}},defaultFormattingWidth:"wide"})};function K(t){return function(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=n.width,a=r&&t.matchPatterns[r]||t.matchPatterns[t.defaultMatchWidth],o=e.match(a);if(!o)return null;var i,u=o[0],s=r&&t.parsePatterns[r]||t.parsePatterns[t.defaultParseWidth],d=Array.isArray(s)?function(t,e){for(var n=0;n<t.length;n++)if(e(t[n]))return n;return}(s,(function(t){return t.test(u)})):function(t,e){for(var n in t)if(t.hasOwnProperty(n)&&e(t[n]))return n;return}(s,(function(t){return t.test(u)}));return i=t.valueCallback?t.valueCallback(d):d,{value:i=n.valueCallback?n.valueCallback(i):i,rest:e.slice(u.length)}}}var $,Z={ordinalNumber:($={matchPattern:/^(\d+)(th|st|nd|rd)?/i,parsePattern:/\d+/i,valueCallback:function(t){return parseInt(t,10)}},function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=t.match($.matchPattern);if(!n)return null;var r=n[0],a=t.match($.parsePattern);if(!a)return null;var o=$.valueCallback?$.valueCallback(a[0]):a[0];return{value:o=e.valueCallback?e.valueCallback(o):o,rest:t.slice(r.length)}}),era:K({matchPatterns:{narrow:/^(b|a)/i,abbreviated:/^(b\.?\s?c\.?|b\.?\s?c\.?\s?e\.?|a\.?\s?d\.?|c\.?\s?e\.?)/i,wide:/^(before christ|before common era|anno domini|common era)/i},defaultMatchWidth:"wide",parsePatterns:{any:[/^b/i,/^(a|c)/i]},defaultParseWidth:"any"}),quarter:K({matchPatterns:{narrow:/^[1234]/i,abbreviated:/^q[1234]/i,wide:/^[1234](th|st|nd|rd)? quarter/i},defaultMatchWidth:"wide",parsePatterns:{any:[/1/i,/2/i,/3/i,/4/i]},defaultParseWidth:"any",valueCallback:function(t){return t+1}}),month:K({matchPatterns:{narrow:/^[jfmasond]/i,abbreviated:/^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,wide:/^(january|february|march|april|may|june|july|august|september|october|november|december)/i},defaultMatchWidth:"wide",parsePatterns:{narrow:[/^j/i,/^f/i,/^m/i,/^a/i,/^m/i,/^j/i,/^j/i,/^a/i,/^s/i,/^o/i,/^n/i,/^d/i],any:[/^ja/i,/^f/i,/^mar/i,/^ap/i,/^may/i,/^jun/i,/^jul/i,/^au/i,/^s/i,/^o/i,/^n/i,/^d/i]},defaultParseWidth:"any"}),day:K({matchPatterns:{narrow:/^[smtwf]/i,short:/^(su|mo|tu|we|th|fr|sa)/i,abbreviated:/^(sun|mon|tue|wed|thu|fri|sat)/i,wide:/^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i},defaultMatchWidth:"wide",parsePatterns:{narrow:[/^s/i,/^m/i,/^t/i,/^w/i,/^t/i,/^f/i,/^s/i],any:[/^su/i,/^m/i,/^tu/i,/^w/i,/^th/i,/^f/i,/^sa/i]},defaultParseWidth:"any"}),dayPeriod:K({matchPatterns:{narrow:/^(a|p|mi|n|(in the|at) (morning|afternoon|evening|night))/i,any:/^([ap]\.?\s?m\.?|midnight|noon|(in the|at) (morning|afternoon|evening|night))/i},defaultMatchWidth:"any",parsePatterns:{any:{am:/^a/i,pm:/^p/i,midnight:/^mi/i,noon:/^no/i,morning:/morning/i,afternoon:/afternoon/i,evening:/evening/i,night:/night/i}},defaultParseWidth:"any"})},tt={code:"en-US",formatDistance:function(t,e,n){var r,a=B[t];return r="string"==typeof a?a:1===e?a.one:a.other.replace("{{count}}",e.toString()),null!=n&&n.addSuffix?n.comparison&&n.comparison>0?"in "+r:r+" ago":r},formatLong:J,formatRelative:function(t,e,n,r){return _[t]},localize:V,match:Z,options:{weekStartsOn:0,firstWeekContainsDate:1}},et=/[yYQqMLwIdDecihHKkms]o|(\w)\1*|''|'(''|[^'])+('|$)|./g,nt=/P+p+|P+|p+|''|'(''|[^'])+('|$)|./g,rt=/^'([^]*?)'?$/,at=/''/g,ot=/[a-zA-Z]/;const it=function(n,a,i){var d,l,c,f,h,m,g,v,w,b,y,p,T,C,M,D,k,S;e(2,arguments);var x=String(a),U=o(),P=null!==(d=null!==(l=null==i?void 0:i.locale)&&void 0!==l?l:U.locale)&&void 0!==d?d:tt,W=t(null!==(c=null!==(f=null!==(h=null!==(m=null==i?void 0:i.firstWeekContainsDate)&&void 0!==m?m:null==i||null===(g=i.locale)||void 0===g||null===(v=g.options)||void 0===v?void 0:v.firstWeekContainsDate)&&void 0!==h?h:U.firstWeekContainsDate)&&void 0!==f?f:null===(w=U.locale)||void 0===w||null===(b=w.options)||void 0===b?void 0:b.firstWeekContainsDate)&&void 0!==c?c:1);if(!(W>=1&&W<=7))throw new RangeError("firstWeekContainsDate must be between 1 and 7 inclusively");var Y=t(null!==(y=null!==(p=null!==(T=null!==(C=null==i?void 0:i.weekStartsOn)&&void 0!==C?C:null==i||null===(M=i.locale)||void 0===M||null===(D=M.options)||void 0===D?void 0:D.weekStartsOn)&&void 0!==T?T:U.weekStartsOn)&&void 0!==p?p:null===(k=U.locale)||void 0===k||null===(S=k.options)||void 0===S?void 0:S.weekStartsOn)&&void 0!==y?y:0);if(!(Y>=0&&Y<=6))throw new RangeError("weekStartsOn must be between 0 and 6 inclusively");if(!P.localize)throw new RangeError("locale must contain localize property");if(!P.formatLong)throw new RangeError("locale must contain formatLong property");var E=r(n);if(!u(E))throw new RangeError("Invalid time value");var N=function(t){var e=new Date(Date.UTC(t.getFullYear(),t.getMonth(),t.getDate(),t.getHours(),t.getMinutes(),t.getSeconds(),t.getMilliseconds()));return e.setUTCFullYear(t.getFullYear()),t.getTime()-e.getTime()}(E),O=s(E,N),q={firstWeekContainsDate:W,weekStartsOn:Y,locale:P,_originalDate:E};return x.match(nt).map((function(t){var e=t[0];return"p"===e||"P"===e?(0,Q[e])(t,P.formatLong):t})).join("").match(et).map((function(t){if("''"===t)return"'";var e=t[0];if("'"===e)return function(t){var e=t.match(rt);if(!e)return t;return e[1].replace(at,"'")}(t);var r,o=j[e];if(o)return null!=i&&i.useAdditionalWeekYearTokens||(r=t,-1===G.indexOf(r))||X(t,a,String(n)),null!=i&&i.useAdditionalDayOfYearTokens||!function(t){return-1!==A.indexOf(t)}(t)||X(t,a,String(n)),o(O,t,P.localize,q);if(e.match(ot))throw new RangeError("Format string contains an unescaped latin alphabet character `"+e+"`");return t})).join("")};return it}));

function phpDate(format, timestamp) {
  //  discuss at: https://locutus.io/php/date/
  // original by: Carlos R. L. Rodrigues (https://www.jsfromhell.com)
  // original by: gettimeofday
  //    parts by: Peter-Paul Koch (https://www.quirksmode.org/js/beat.html)
  // improved by: Kevin van Zonneveld (https://kvz.io)
  // improved by: MeEtc (https://yass.meetcweb.com)
  // improved by: Brad Touesnard
  // improved by: Tim Wiel
  // improved by: Bryan Elliott
  // improved by: David Randall
  // improved by: Theriault (https://github.com/Theriault)
  // improved by: Theriault (https://github.com/Theriault)
  // improved by: Brett Zamir (https://brett-zamir.me)
  // improved by: Theriault (https://github.com/Theriault)
  // improved by: Thomas Beaucourt (https://www.webapp.fr)
  // improved by: JT
  // improved by: Theriault (https://github.com/Theriault)
  // improved by: Rafał Kukawski (https://blog.kukawski.pl)
  // improved by: Theriault (https://github.com/Theriault)
  //    input by: Brett Zamir (https://brett-zamir.me)
  //    input by: majak
  //    input by: Alex
  //    input by: Martin
  //    input by: Alex Wilson
  //    input by: Haravikk
  // bugfixed by: Kevin van Zonneveld (https://kvz.io)
  // bugfixed by: majak
  // bugfixed by: Kevin van Zonneveld (https://kvz.io)
  // bugfixed by: Brett Zamir (https://brett-zamir.me)
  // bugfixed by: omid (https://locutus.io/php/380:380#comment_137122)
  // bugfixed by: Chris (https://www.devotis.nl/)
  //      note 1: Uses global: locutus to store the default timezone
  //      note 1: Although the function potentially allows timezone info
  //      note 1: (see notes), it currently does not set
  //      note 1: per a timezone specified by date_default_timezone_set(). Implementers might use
  //      note 1: $locutus.currentTimezoneOffset and
  //      note 1: $locutus.currentTimezoneDST set by that function
  //      note 1: in order to adjust the dates in this function
  //      note 1: (or our other date functions!) accordingly
  //   example 1: date('H:m:s \\m \\i\\s \\m\\o\\n\\t\\h', 1062402400)
  //   returns 1: '07:09:40 m is month'
  //   example 2: date('F j, Y, g:i a', 1062462400)
  //   returns 2: 'September 2, 2003, 12:26 am'
  //   example 3: date('Y W o', 1062462400)
  //   returns 3: '2003 36 2003'
  //   example 4: var $x = date('Y m d', (new Date()).getTime() / 1000)
  //   example 4: $x = $x + ''
  //   example 4: var $result = $x.length // 2009 01 09
  //   returns 4: 10
  //   example 5: date('W', 1104534000)
  //   returns 5: '52'
  //   example 6: date('B t', 1104534000)
  //   returns 6: '999 31'
  //   example 7: date('W U', 1293750000.82); // 2010-12-31
  //   returns 7: '52 1293750000'
  //   example 8: date('W', 1293836400); // 2011-01-01
  //   returns 8: '52'
  //   example 9: date('W Y-m-d', 1293974054); // 2011-01-02
  //   returns 9: '52 2011-01-02'
  //        test: skip-1 skip-2 skip-5
  let jsdate, f;
  // Keep this here (works, but for code commented-out below for file size reasons)
  // var tal= [];
  const txtWords = [
    'Sun', 'Mon', 'Tues', 'Wednes', 'Thurs', 'Fri', 'Satur',
    'January', 'February', 'March', 'April', 'May', 'June',
    'July', 'August', 'September', 'October', 'November', 'December'
  ];
  // trailing backslash -> (dropped)
  // a backslash followed by any character (including backslash) -> the character
  // empty string -> empty string
  const formatChr = /\\?(.?)/gi;
  const formatChrCb = function (t, s) {
    return f[t] ? f[t]() : s;
  };
  const _pad = function (n, c) {
    n = String(n);
    while (n.length < c) {
      n = '0' + n;
    }
    return n;
  };
  f = {
    // Day
    d: function () {
      // Day of month w/leading 0; 01..31
      return _pad(f.j(), 2);
    },
    D: function () {
      // Shorthand day name; Mon...Sun
      return f.l()
        .slice(0, 3);
    },
    j: function () {
      // Day of month; 1..31
      return jsdate.getDate();
    },
    l: function () {
      // Full day name; Monday...Sunday
      return txtWords[f.w()] + 'day';
    },
    N: function () {
      // ISO-8601 day of week; 1[Mon]..7[Sun]
      return f.w() || 7;
    },
    S: function () {
      // Ordinal suffix for day of month; st, nd, rd, th
      const j = f.j();
      let i = j % 10;
      if (i <= 3 && parseInt((j % 100) / 10, 10) === 1) {
        i = 0;
      }
      return ['st', 'nd', 'rd'][i - 1] || 'th';
    },
    w: function () {
      // Day of week; 0[Sun]..6[Sat]
      return jsdate.getDay();
    },
    z: function () {
      // Day of year; 0..365
      const a = new Date(f.Y(), f.n() - 1, f.j());
      const b = new Date(f.Y(), 0, 1);
      return Math.round((a - b) / 864e5);
    },
    // Week
    W: function () {
      // ISO-8601 week number
      const a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3);
      const b = new Date(a.getFullYear(), 0, 4);
      return _pad(1 + Math.round((a - b) / 864e5 / 7), 2);
    },
    // Month
    F: function () {
      // Full month name; January...December
      return txtWords[6 + f.n()];
    },
    m: function () {
      // Month w/leading 0; 01...12
      return _pad(f.n(), 2);
    },
    M: function () {
      // Shorthand month name; Jan...Dec
      return f.F()
        .slice(0, 3);
    },
    n: function () {
      // Month; 1...12
      return jsdate.getMonth() + 1;
    },
    t: function () {
      // Days in month; 28...31
      return (new Date(f.Y(), f.n(), 0))
        .getDate();
    },
    // Year
    L: function () {
      // Is leap year?; 0 or 1
      const j = f.Y();
      return j % 4 === 0 & j % 100 !== 0 | j % 400 === 0;
    },
    o: function () {
      // ISO-8601 year
      const n = f.n();
      const W = f.W();
      const Y = f.Y();
      return Y + (n === 12 && W < 9 ? 1 : n === 1 && W > 9 ? -1 : 0);
    },
    Y: function () {
      // Full year; e.g. 1980...2010
      return jsdate.getFullYear();
    },
    y: function () {
      // Last two digits of year; 00...99
      return f.Y()
        .toString()
        .slice(-2);
    },
    // Time
    a: function () {
      // am or pm
      return jsdate.getHours() > 11 ? 'pm' : 'am';
    },
    A: function () {
      // AM or PM
      return f.a()
        .toUpperCase();
    },
    B: function () {
      // Swatch Internet time; 000..999
      const H = jsdate.getUTCHours() * 36e2;
      // Hours
      const i = jsdate.getUTCMinutes() * 60;
      // Minutes
      // Seconds
      const s = jsdate.getUTCSeconds();
      return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
    },
    g: function () {
      // 12-Hours; 1..12
      return f.G() % 12 || 12;
    },
    G: function () {
      // 24-Hours; 0..23
      return jsdate.getHours();
    },
    h: function () {
      // 12-Hours w/leading 0; 01..12
      return _pad(f.g(), 2);
    },
    H: function () {
      // 24-Hours w/leading 0; 00..23
      return _pad(f.G(), 2);
    },
    i: function () {
      // Minutes w/leading 0; 00..59
      return _pad(jsdate.getMinutes(), 2);
    },
    s: function () {
      // Seconds w/leading 0; 00..59
      return _pad(jsdate.getSeconds(), 2);
    },
    u: function () {
      // Microseconds; 000000-999000
      return _pad(jsdate.getMilliseconds() * 1000, 6);
    },
    // Timezone
    e: function () {
      // Timezone identifier; e.g. Atlantic/Azores, ...
      // The following works, but requires inclusion of the very large
      // timezone_abbreviations_list() function.
      /*              return that.date_default_timezone_get();
       */
      const msg = 'Not supported (see source code of date() for timezone on how to add support)';
      throw new Error(msg);
    },
    I: function () {
      // DST observed?; 0 or 1
      // Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
      // If they are not equal, then DST is observed.
      const a = new Date(f.Y(), 0);
      // Jan 1
      const c = Date.UTC(f.Y(), 0);
      // Jan 1 UTC
      const b = new Date(f.Y(), 6);
      // Jul 1
      // Jul 1 UTC
      const d = Date.UTC(f.Y(), 6);
      return ((a - c) !== (b - d)) ? 1 : 0;
    },
    O: function () {
      // Difference to GMT in hour format; e.g. +0200
      const tzo = jsdate.getTimezoneOffset();
      const a = Math.abs(tzo);
      return (tzo > 0 ? '-' : '+') + _pad(Math.floor(a / 60) * 100 + a % 60, 4);
    },
    P: function () {
      // Difference to GMT w/colon; e.g. +02:00
      const O = f.O();
      return (O.substr(0, 3) + ':' + O.substr(3, 2));
    },
    T: function () {
      // The following works, but requires inclusion of the very
      // large timezone_abbreviations_list() function.
      /*              var abbr, i, os, _default;
      if (!tal.length) {
        tal = that.timezone_abbreviations_list();
      }
      if ($locutus && $locutus.default_timezone) {
        _default = $locutus.default_timezone;
        for (abbr in tal) {
          for (i = 0; i < tal[abbr].length; i++) {
            if (tal[abbr][i].timezone_id === _default) {
              return abbr.toUpperCase();
            }
          }
        }
      }
      for (abbr in tal) {
        for (i = 0; i < tal[abbr].length; i++) {
          os = -jsdate.getTimezoneOffset() * 60;
          if (tal[abbr][i].offset === os) {
            return abbr.toUpperCase();
          }
        }
      }
      */
      return 'UTC';
    },
    Z: function () {
      // Timezone offset in seconds (-43200...50400)
      return -jsdate.getTimezoneOffset() * 60;
    },
    // Full Date/Time
    c: function () {
      // ISO-8601 date.
      return 'Y-m-d\\TH:i:sP'.replace(formatChr, formatChrCb);
    },
    r: function () {
      // RFC 2822
      return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
    },
    U: function () {
      // Seconds since UNIX epoch
      return jsdate / 1000 | 0;
    }
  };
  const _date = function (format, timestamp) {
    jsdate = (timestamp === undefined
        ? new Date() // Not provided
        : (timestamp instanceof Date)
          ? new Date(timestamp) // JS Date()
          : new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
    );
    return format.replace(formatChr, formatChrCb);
  };
  return _date(format, timestamp);
}

function test1() {
  return phpDate('Y-m-d h:i:s T');
}

function test2() {
  return dayjs().format('YYYY-MM-DD HH:mm:ss Z');
}

function test3() {
  return moment().format('YYYY-MM-DD HH:mm:ss Z');
}

function test4() {
  return luxon.DateTime.now().toFormat('yyyy-mm-dd hh:mm:ss Z');
}

function test5() {
  return dateFnsFormat(new Date(), 'yyyy-MM-dd HH:mm:ss z');
}

Tests:

test1: php date funtion
test1();
test2: day.js
test2();
test3: moment.js
test3();
test4: luxon
test4();
test5: date-fns/format
test5();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
test1: php date funtion
test2: day.js
test3: moment.js
test4: luxon
test5: date-fns/format

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser/OS: Firefox 133 on Windows

View result in a separate tab

test1: php date funtion

376K/s

test2: day.js

281K/s

test3: moment.js

184K/s

test5: date-fns/format

145K/s

test4: luxon

125K/s

View exact numbers

Test name	Executions per second
✓ test1: php date funtion	376,448 Ops/sec
test2: day.js	281,415 Ops/sec
test3: moment.js	183,716 Ops/sec
test5: date-fns/format	145,083 Ops/sec
test4: luxon	125,403 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

It appears that we have a benchmarking scenario where five different date formatting functions are being tested on the same device with Chrome 110 as the browser. The tests are:

1. `test1`: PHP Date function
2. `test2`: day.js
3. `test3`: moment.js
4. `test4`: luxon
5. `test5`: date-fns/format

The latest benchmark result shows that the execution speed of these functions is as follows:

* `test3: moment.js`: 900500.8125 executions per second ( fastest )
* `test2: day.js`: 484471.59375 executions per second
* `test4: luxon`: 466337.65625 executions per second
* `test1: php date funtion`: 458732.46875 executions per second
* `test5: date-fns/format`: 174519.34375 executions per second ( slowest )

Based on this data, we can conclude that moment.js is the fastest among these five functions, followed closely by luxon. The PHP Date function and day.js are also relatively fast, while date-fns/format is the slowest.

However, without more context or information about the specific use cases or requirements of each test, it's difficult to provide a definitive conclusion or recommendation for which function to use in a given scenario.

Would you like me to analyze this data further or help with something else?