<?php
   $json ='{"id":1,"name":"foo","interest":["wordpress","php"]}';
   $obj=json_decode($json);
   echo $obj->interest[1]; //prints php
?>

<?php
$username = "Austin Leath -_#";
$username_err = "no error";
if(preg_match('/[^a-z_\-0-9]/i', $string)) {
  $username_err = "Username can only contain alphanumeric characters, dashes, and underscores.";
}

echo $username_err
?>

<?php

function uniqidReal($length = 8) {
    // uniqid gives 8 chars, can be changed
    if (function_exists("random_bytes")) {
        $bytes = random_bytes(ceil($length / 2));
    } elseif (function_exists("openssl_random_pseudo_bytes")) {
        $bytes = openssl_random_pseudo_bytes(ceil($length / 2));
    } else {
        throw new Exception("no cryptographically secure random function available");
    }
    return substr(bin2hex($bytes), 0, $length);
}

/*
//for testing
for($i = 0; $i < 10; $i++) {
  echo "<br>";
  echo uniqidReal();
}
*/
?>

<?php
function getRandomId($min = NULL, $max = NULL) {
    if (is_numeric($min) && is_numeric($max)) {
        return mt_rand($min, $max);
    }
    else {
        return mt_rand();
    }
}
?>

<?php
function getFileExtension($file) {
    return end(explode(".", $file));
}
?>

<?php
function modegetter($language) {
  switch ($language) {
    case 'ABC':
      echo  "abc";
      break;
    case 'ActionScript':
      echo  "actionscript";
      break;
    case 'ADA':
      echo  "ada";
      break;
    case 'Alda':
      echo  "alda";
      break;
    case 'Apache Conf':
      echo  "apache_conf";
      break;
    case 'Apex':
      echo  "apex";
      break;
    case 'AQL':
      echo  "aql";
      break;
    case 'AsciiDoc':
      echo  "asciidoc";
      break;
    case 'ASL':
      echo  "asl";
      break;
    case 'Assembly x86':
      echo  "assembly_x86";
      break;
    case 'AutoHotkey / AutoIt':
      echo  "autohotkey";
      break;
    case 'BatchFile':
      echo  "batchfile";
      break;
    case 'C':
      echo  "c_cpp";
      break;
    case 'C++':
      echo  "c_cpp";
      break;
    case 'C9Search':
      echo  "c9search";
      break;
    case 'Cirru':
      echo  "cirru";
      break;
    case 'Clojure':
      echo  "clojure";
      break;
    case 'Cobol':
      echo  "cobol";
      break;
    case 'CoffeeScript':
      echo  "coffee";
      break;
    case 'ColdFusion':
      echo  "coldfusion";
      break;
    case 'Crystal':
      echo  "crystal";
      break;
    case 'C#':
      echo  "csharp";
      break;
    case 'Csound Document':
      echo  "csound_document";
      break;
    case 'Csound':
      echo  "csound_orchestra";
      break;
    case 'Csound Score':
      echo  "csound_score";
      break;
    case 'CSS':
      echo  "css";
      break;
    case 'Curly':
      echo  "curly";
      break;
    case 'D':
      echo  "d";
      break;
    case 'Dart':
      echo  "dart";
      break;
    case 'Diff':
      echo  "diff";
      break;
    case 'Dockerfile':
      echo  "dockerfile";
      break;
    case 'Dot':
      echo  "dot";
      break;
    case 'Drools':
      echo  "drools";
      break;
    case 'Edifact':
      echo  "edifact";
      break;
    case 'Eiffel':
      echo  "eiffel";
      break;
    case 'EJS':
      echo  "ejs";
      break;
    case 'Elixir':
      echo  "elixir";
      break;
    case 'Elm':
      echo  "elm";
      break;
    case 'Erlang':
      echo  "erlang";
      break;
    case 'Forth':
      echo  "forth";
      break;
    case 'Fortran':
      echo  "fortran";
      break;
    case 'FSharp':
      echo  "fsharp";
      break;
    case 'FSL':
      echo  "fsl";
      break;
    case 'FreeMarker':
      echo  "ftl";
      break;
    case 'Gcode':
      echo  "gcode";
      break;
    case 'Gherkin':
      echo  "gherkin";
      break;
    case 'Gitignore':
      echo  "gitignore";
      break;
    case 'Glsl':
      echo  "glsl";
      break;
    case 'Gobstones':
      echo  "gobstones";
      break;
    case 'Go':
      echo  "golang";
      break;
    case 'GraphQLSchema':
      echo  "graphqlschema";
      break;
    case 'Groovy':
      echo  "groovy";
      break;
    case 'HAML':
      echo  "haml";
      break;
    case 'Handlebars':
      echo  "handlebars";
      break;
    case 'Haskell':
      echo  "haskell";
      break;
    case 'Haskell Cabal':
      echo  "haskell_cabal";
      break;
    case 'haXe':
      echo  "haxe";
      break;
    case 'Hjson':
      echo  "hjson";
      break;
    case 'HTML':
      echo  "html";
      break;
    case 'HTML (Elixir)':
      echo  "html_elixir";
      break;
    case 'HTML (Ruby)':
      echo  "html_ruby";
      break;
    case 'INI':
      echo  "ini";
      break;
    case 'Io':
      echo  "io";
      break;
    case 'Jack':
      echo  "jack";
      break;
    case 'Jade':
      echo  "jade";
      break;
    case 'Java':
      echo  "java";
      break;
    case 'JavaScript':
      echo  "javascript";
      break;
    case 'JSON':
      echo  "json";
      break;
    case 'JSON5':
      echo  "json5";
      break;
    case 'JSONiq':
      echo  "jsoniq";
      break;
    case 'JSP':
      echo  "jsp";
      break;
    case 'JSSM':
      echo  "jssm";
      break;
    case 'JSX':
      echo  "jsx";
      break;
    case 'Julia':
      echo  "julia";
      break;
    case 'Kotlin':
      echo  "kotlin";
      break;
    case 'LaTeX':
      echo  "latex";
      break;
    case 'Latte':
      echo  "latte";
      break;
    case 'LESS':
      echo  "less";
      break;
    case 'Liquid':
      echo  "liquid";
      break;
    case 'Lisp':
      echo  "lisp";
      break;
    case 'LiveScript':
      echo  "livescript";
      break;
    case 'LogiQL':
      echo  "logiql";
      break;
    case 'LSL':
      echo  "lsl";
      break;
    case 'Lua':
      echo  "lua";
      break;
    case 'LuaPage':
      echo  "luapage";
      break;
    case 'Lucene':
      echo  "lucene";
      break;
    case 'Makefile':
      echo  "makefile";
      break;
    case 'Markdown':
      echo  "markdown";
      break;
    case 'Mask':
      echo  "mask";
      break;
    case 'MATLAB':
      echo  "matlab";
      break;
    case 'Maze':
      echo  "maze";
      break;
    case 'MediaWiki':
      echo  "mediawiki";
      break;
    case 'MEL':
      echo  "mel";
      break;
    case 'MIPS':
      echo  "mips";
      break;
    case 'MIXAL':
      echo  "mixal";
      break;
    case 'MUSHCode':
      echo  "mushcode";
      break;
    case 'MySQL':
      echo  "mysql";
      break;
    case 'Nginx':
      echo  "nginx";
      break;
    case 'Nim':
      echo  "nim";
      break;
    case 'Nix':
      echo  "nix";
      break;
    case 'NSIS':
      echo  "nsis";
      break;
    case 'Nunjucks':
      echo  "nunjucks";
      break;
    case 'Objective-C':
      echo  "objectivec";
      break;
    case 'OCaml':
      echo  "ocaml";
      break;
    case 'Pascal':
      echo  "pascal";
      break;
    case 'Perl':
      echo  "perl";
      break;
    case 'pgSQL':
      echo  "pgsql";
      break;
    case 'PHP':
      echo  "php";
      break;
    case 'PHP (Blade Template':
      echo  "php_laravel_blade";
      break;
    case 'Pig':
      echo  "pig";
      break;
    case 'Powershell':
      echo  "powershell";
      break;
    case 'Praat':
      echo  "praat";
      break;
    case 'Prisma':
      echo  "prisma";
      break;
    case 'Prolog':
      echo  "prolog";
      break;
    case 'Properties':
      echo  "properties";
      break;
    case 'Protobuf':
      echo  "protobuf";
      break;
    case 'Puppet':
      echo  "puppet";
      break;
    case 'Python':
      echo  "python";
      break;
    case 'QML':
      echo  "qml";
      break;
    case 'R':
      echo  "r";
      break;
    case 'Raku':
      echo  "raku";
      break;
    case 'Razor':
      echo  "razor";
      break;
    case 'RDoc':
      echo  "rdoc";
      break;
    case 'Red':
      echo  "red";
      break;
    case 'RHTML':
      echo  "rhtml";
      break;
    case 'RST':
      echo  "rst";
      break;
    case 'Ruby':
      echo  "ruby";
      break;
    case 'Rust':
      echo  "rust";
      break;
    case 'SASS':
      echo  "sass";
      break;
    case 'SCAD':
      echo  "scad";
      break;
    case 'Scala':
      echo  "scala";
      break;
    case 'Scheme':
      echo  "scheme";
      break;
    case 'SCSS':
      echo  "scss";
      break;
    case 'Bash':
      echo  "sh";
      break;
    case 'SJS':
      echo  "sjs";
      break;
    case 'Slim':
      echo  "slim";
      break;
    case 'Smarty':
      echo  "smarty";
      break;
    case 'Smithy':
      echo  "smithy";
      break;
    case 'Snippets':
      echo  "snippets";
      break;
    case 'Soy Template':
      echo  "soy_template";
      break;
    case 'Space':
      echo  "space";
      break;
    case 'SQL':
      echo  "sql";
      break;
    case 'SQLServer':
      echo  "sqlserver";
      break;
    case 'Stylus':
      echo  "stylus";
      break;
    case 'SVG':
      echo  "svg";
      break;
    case 'Swift':
      echo  "swift";
      break;
    case 'Tcl':
      echo  "tcl";
      break;
    case 'Terraform':
      echo  "terraform";
      break;
    case 'Tex':
      echo  "tex";
      break;
    case 'Text':
      echo  "text";
      break;
    case 'Textile':
      echo  "textile";
      break;
    case 'Toml':
      echo  "toml";
      break;
    case 'TSX':
      echo  "tsx";
      break;
    case 'Twig':
      echo  "twig";
      break;
    case 'Typescript':
      echo  "typescript";
      break;
    case 'Vala':
      echo  "vala";
      break;
    case 'VBScript':
      echo  "vbscript";
      break;
    case 'Velocity':
      echo  "velocity";
      break;
    case 'Verilog':
      echo  "verilog";
      break;
    case 'VHDL':
      echo  "vhdl";
      break;
    case 'Visualforce':
      echo  "visualforce";
      break;
    case 'Wollok':
      echo  "wollok";
      break;
    case 'XML':
      echo  "xml";
      break;
    case 'XQuery':
      echo  "xquery";
      break;
    case 'YAML':
      echo  "yaml";
      break;
    case 'Zeek':
      echo  "zeek";
      break;
    case 'Django':
      echo  "django";
      break;
    default:
      echo  "text";
      break;
  }
}
?>