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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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 78th dteague3989 742 62 4ms 17 Jul 2023 78th 1231234md5 🇨🇳 742 62 5ms 11 Dec 2023 78th albanian-laundromat 742 62 4ms 11 Mar 2025 84th steaze 730 63 5ms 7 May 2019 85th josgilmo 719 64 4ms 18 Apr 2019 86th thisishowmymindworks 🇳🇴 708 65 4ms 22 Jul 2020 86th Smetalo 708 65 4ms 25 Aug 2022 86th mayrop 708 65 4ms 4 Nov 2022 89th nektobit 697 66 4ms 7 Apr 2019 89th 7JoeEdwards 697 66 5ms 3 Aug 2019 89th adriweb 🇫🇷 697 66 5ms 29 Aug 2023 89th TheAtrossian 697 66 4ms 8 Jan 2025 93rd p-vf 🇨🇭 687 67 4ms 25 Oct 2021 93rd jessegyger 687 67 5ms 18 Jan 2022 93rd StronkCheese 🇺🇸 687 67 4ms 18 Feb 2023 93rd quabenaa 687 67 4ms 13 Jul 2023 93rd andrewl64 687 67 4ms 18 Jan 2024 98th miika 676 68 4ms 27 Aug 2019 98th sech1p 🇵🇱 676 68 4ms 24 May 2021 100th iqbal-hossain-momox 667 69 4ms 13 Jul 2023 101st matthudgins 657 70 4ms 23 Jul 2019 102nd mrdamien 648 71 4ms 25 Mar 2019 102nd KaeruCT 648 71 4ms 7 Oct 2020 102nd piripasa 648 71 4ms 12 Jul 2023 105th islonely 639 72 4ms 26 Apr 2019 105th heypwesto 🇳🇿 639 72 4ms 12 Apr 2021 105th qewdweftr4g 639 72 4ms 16 Oct 2024 108th h0n3ycl0ud 630 73 4ms 29 Jul 2019 108th jayanwar 630 73 4ms 28 Nov 2019 108th ybrodala 630 73 5ms 6 Aug 2024 111th Cr3aHal0 613 75 4ms 4 Jul 2019 112th roguh 🇬🇹 605 76 4ms 14 Jan 2024 113th verticall 590 78 4ms 28 Jul 2019 113th arndta 590 78 5ms 10 May 2020 113th lukeme 590 78 4ms 10 Aug 2020 113th aminrnd 590 78 5ms 12 Jul 2023 117th karhuthebear 575 80 5ms 6 May 2022 118th mammarellas 554 83 4ms 6 Jun 2019 119th MasterRO94 500 92 4ms 10 Apr 2019 120th RoscoeDaWah 🇬🇧 495 93 5ms 13 Feb 2022 121st YPuest 489 94 4ms 20 Feb 2023 122nd dukeaccent 🇫🇮 474 97 5ms 23 Nov 2022 123rd danolshev 442 104 4ms 6 Apr 2019 124th Axsag 🇫🇷 438 105 4ms 23 Jul 2021 125th kevinnaviapaiva 329 140 5ms 5 Mar 2025 126th seanleken 275 167 4ms 13 Nov 2019 127th KatieLG 🇬🇧 73 626 4ms 30 Nov 2025 128th retrohun 63 733 4ms 21 Dec 2018 129th JRaspass 🇬🇧 63 735 4ms 21 Feb 2019 129th HumanoidCPU 63 735 4ms 18 May 2024 129th Mabeloid 🇳🇴 63 735 4ms 22 Sep 2024 129th CaedenHarper 🇨🇦 63 735 5ms 16 Aug 2025 133rd KatieLG-Transpiler 🇬🇧 52 880 4ms 24 Jun 2022 134th mokymok 🇺🇸 52 881 4ms 10 Nov 2021 First Prev 81–134 of 134
