Leap Years in PHP in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st colinodell 742 62 4ms 16 Apr 2020 81st louisbosqui 742 62 4ms 28 Dec 2020 81st infostreams 742 62 4ms 12 Jul 2023 81st dteague3989 742 62 4ms 17 Jul 2023 81st 1231234md5 🇨🇳 742 62 4ms 11 Dec 2023 81st albanian-laundromat 🇺🇸 742 62 4ms 11 Mar 2025 87th steaze 730 63 5ms 7 May 2019 88th josgilmo 719 64 4ms 18 Apr 2019 89th thisishowmymindworks 🇳🇴 708 65 6ms 22 Jul 2020 89th Smetalo 708 65 5ms 25 Aug 2022 89th mayrop 708 65 5ms 4 Nov 2022 92nd nektobit 697 66 5ms 7 Apr 2019 92nd 7JoeEdwards 697 66 4ms 3 Aug 2019 92nd adriweb 🇫🇷 697 66 5ms 29 Aug 2023 92nd TheAtrossian 697 66 7ms 8 Jan 2025 96th p-vf 🇨🇭 687 67 5ms 25 Oct 2021 96th jessegyger 687 67 4ms 18 Jan 2022 96th StronkCheese 🇺🇸 687 67 5ms 18 Feb 2023 96th quabenaa 687 67 5ms 13 Jul 2023 96th andrewl64 687 67 4ms 18 Jan 2024 101st miika 676 68 5ms 27 Aug 2019 101st elizj3 🇵🇱 676 68 5ms 24 May 2021 103rd iqbal-hossain-momox 667 69 4ms 13 Jul 2023 104th matthudgins 657 70 5ms 23 Jul 2019 105th mrdamien 648 71 4ms 25 Mar 2019 105th KaeruCT 648 71 4ms 7 Oct 2020 105th piripasa 648 71 5ms 12 Jul 2023 108th islonely 639 72 4ms 26 Apr 2019 108th heypwesto 🇳🇿 639 72 4ms 12 Apr 2021 108th qewdweftr4g 639 72 7ms 16 Oct 2024 111th h0n3ycl0ud 630 73 4ms 29 Jul 2019 111th jayanwar 630 73 5ms 28 Nov 2019 111th ybrodala 630 73 6ms 6 Aug 2024 114th Cr3aHal0 613 75 4ms 4 Jul 2019 115th roguh 🇬🇹 605 76 5ms 14 Jan 2024 116th verticall 590 78 5ms 28 Jul 2019 116th arndta 590 78 5ms 10 May 2020 116th lukeme 590 78 5ms 10 Aug 2020 116th aminrnd 590 78 4ms 12 Jul 2023 120th karhuthebear 575 80 4ms 6 May 2022 121st mammarellas 554 83 4ms 6 Jun 2019 122nd MasterRO94 500 92 5ms 10 Apr 2019 123rd RoscoeDaWah 🇬🇧 495 93 4ms 13 Feb 2022 124th YPuest 489 94 4ms 20 Feb 2023 125th dukeaccent 🇫🇮 474 97 5ms 23 Nov 2022 126th danolshev 442 104 4ms 6 Apr 2019 127th Axsag 🇫🇷 438 105 4ms 23 Jul 2021 128th kevinnaviapaiva 329 140 5ms 5 Mar 2025 129th seanleken 275 167 5ms 13 Nov 2019 130th KatieLG 🇬🇧 73 626 5ms 30 Nov 2025 131st retrohun 63 733 5ms 21 Dec 2018 132nd JRaspass 🇬🇧 63 735 4ms 21 Feb 2019 132nd HumanoidCPU 63 735 4ms 18 May 2024 132nd Mabeloid 🇳🇴 63 735 4ms 22 Sep 2024 132nd CaedenHarper 🇨🇦 63 735 6ms 16 Aug 2025 136th jusaka 62 745 5ms 3 days ago 137th KatieLG-Transpiler 🇬🇧 52 880 5ms 24 Jun 2022 138th mokymok 🇺🇸 52 881 5ms 10 Nov 2021 First Prev 81–138 of 138
