Collatz in PHP in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st Lydxn 🇨🇦 1,000 59 6 May 2022 2nd emplv 🇱🇻 983 60 5 May 2022 2nd GrayJoKing 🇦🇺 983 60 6 May 2022 2nd targrik 983 60 24 Dec 2024 5th primo-ppcg 🇹🇭 967 61 6 May 2022 5th sisyphus-ppcg 🇦🇺 967 61 14 Jul 2022 7th xsot 🇸🇬 952 62 3 hours ago 8th DialFrost 🇸🇬 894 66 23 days ago 9th sean-niemann 🇺🇸 881 67 5 May 2022 9th pschmid0 🇺🇸 881 67 5 Aug 2022 9th arobson13 🇨🇦 881 67 11 Apr 2023 9th janbehrens 🇩🇪 881 67 17 May 2023 13th stefangimmillaro 868 68 2 Oct 2022 13th Shanethegamer 🇺🇸 868 68 17 May 2023 15th Betuaredead 855 69 5 Jan 2023 15th MeWhenI 🇻🇦 855 69 28 May 2023 17th JustinHodge 843 70 18 Aug 2022 17th KrausRaus 🇺🇸 843 70 7 Sep 2022 17th Salutations45 843 70 21 Nov 2024 20th zelenovas 🇷🇺 831 71 8 Feb 2023 21st josh-h-90 819 72 13 Sep 2022 21st edsrzf 🇳🇿 819 72 27 Sep 2024 21st dokutan 819 72 20 days ago 24th tkr-sh 🇫🇷 808 73 8 Sep 2022 24th ArtemBrovko 808 73 12 Jul 2023 24th Kokusui 🇯🇵 808 73 22 Jul 2024 27th satutalo 🇫🇮 797 74 22 Nov 2022 27th madeforlosers 797 74 22 Nov 2024 29th jzawadzki 766 77 25 Feb 2023 30th infostreams 756 78 12 Jul 2023 30th fischfood 756 78 15 Aug 2024 32nd didion0 🇺🇸 738 80 5 May 2022 32nd Natanaelel 🇸🇪 738 80 17 Jun 2022 32nd hossammohammed72 738 80 12 Jul 2023 35th aminrnd 728 81 13 Jul 2023 35th ybrodala 728 81 14 Aug 2024 37th hossain-iqbal 720 82 13 Jul 2023 38th shaunjc 711 83 17 Feb 2023 39th jbirchevans 702 84 2 Aug 2023 40th RossBambrey 670 88 21 Nov 2023 41st snoozingnewt 🇺🇸 656 90 11 Sep 2023 41st mrmena 🇦🇺 656 90 19 Mar 2024 43rd jessegyger 634 93 5 Oct 2022 44th AlexanderFair 615 96 11 Aug 2023 44th liviucerchez 615 96 20 Oct 2023 46th piripasa 608 97 12 Jul 2023 47th StronkCheese 🇺🇸 596 99 18 Feb 2023 47th msbranicky 596 99 8 Sep 2023 49th merithes 567 104 8 Jun 2022 50th Bodo171 447 132 6 Dec 2022 51st kevinnaviapaiva 376 157 6 Mar 2025 52nd ahmedsliman 263 224 12 Jul 2023 53rd retrohun 18 3,229 27 Dec 2022 54th JRaspass 🇬🇧 18 3,231 4 May 2022 54th kurkale6ka 18 3,231 3 Jan 2024 54th HumanoidCPU 18 3,231 3 May 2024 54th Mabeloid 🇳🇴 18 3,231 17 Sep 2024 58th KatieLG 🇬🇧 14 4,230 4 May 2022 58th KatieLG-Transpiler 🇬🇧 14 4,230 24 Jun 2022 1–59 of 59
