php.js

// @ts-nocheck
import refractorMarkupTemplating from './markup-templating.js'
php.displayName = 'php'
php.aliases = []

/** @type {import('../core.js').Syntax} */
export default function php(Prism) {
  Prism.register(refractorMarkupTemplating)
  /**
   * Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
   * Modified by Miles Johnson: http://milesj.me
   * Rewritten by Tom Pavelec
   *
   * Supports PHP 5.3 - 8.0
   */
  ;(function (Prism) {
    var comment = /\/\*[\s\S]*?\*\/|\/\/.*|#(?!\[).*/
    var constant = [
      {
        pattern: /\b(?:false|true)\b/i,
        alias: 'boolean'
      },
      {
        pattern: /(::\s*)\b[a-z_]\w*\b(?!\s*\()/i,
        greedy: true,
        lookbehind: true
      },
      {
        pattern: /(\b(?:case|const)\s+)\b[a-z_]\w*(?=\s*[;=])/i,
        greedy: true,
        lookbehind: true
      },
      /\b(?:null)\b/i,
      /\b[A-Z_][A-Z0-9_]*\b(?!\s*\()/
    ]
    var number =
      /\b0b[01]+(?:_[01]+)*\b|\b0o[0-7]+(?:_[0-7]+)*\b|\b0x[\da-f]+(?:_[\da-f]+)*\b|(?:\b\d+(?:_\d+)*\.?(?:\d+(?:_\d+)*)?|\B\.\d+)(?:e[+-]?\d+)?/i
    var operator =
      /<?=>|\?\?=?|\.{3}|\??->|[!=]=?=?|::|\*\*=?|--|\+\+|&&|\|\||<<|>>|[?~]|[/^|%*&<>.+-]=?/
    var punctuation = /[{}\[\](),:;]/
    Prism.languages.php = {
      delimiter: {
        pattern: /\?>$|^<\?(?:php(?=\s)|=)?/i,
        alias: 'important'
      },
      comment: comment,
      variable: /\$+(?:\w+\b|(?=\{))/,
      package: {
        pattern:
          /(namespace\s+|use\s+(?:function\s+)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
        lookbehind: true,
        inside: {
          punctuation: /\\/
        }
      },
      'class-name-definition': {
        pattern: /(\b(?:class|enum|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,
        lookbehind: true,
        alias: 'class-name'
      },
      'function-definition': {
        pattern: /(\bfunction\s+)[a-z_]\w*(?=\s*\()/i,
        lookbehind: true,
        alias: 'function'
      },
      keyword: [
        {
          pattern:
            /(\(\s*)\b(?:array|bool|boolean|float|int|integer|object|string)\b(?=\s*\))/i,
          alias: 'type-casting',
          greedy: true,
          lookbehind: true
        },
        {
          pattern:
            /([(,?]\s*)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|object|self|static|string)\b(?=\s*\$)/i,
          alias: 'type-hint',
          greedy: true,
          lookbehind: true
        },
        {
          pattern:
            /(\)\s*:\s*(?:\?\s*)?)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|never|object|self|static|string|void)\b/i,
          alias: 'return-type',
          greedy: true,
          lookbehind: true
        },
        {
          pattern:
            /\b(?:array(?!\s*\()|bool|float|int|iterable|mixed|object|string|void)\b/i,
          alias: 'type-declaration',
          greedy: true
        },
        {
          pattern: /(\|\s*)(?:false|null)\b|\b(?:false|null)(?=\s*\|)/i,
          alias: 'type-declaration',
          greedy: true,
          lookbehind: true
        },
        {
          pattern: /\b(?:parent|self|static)(?=\s*::)/i,
          alias: 'static-context',
          greedy: true
        },
        {
          // yield from
          pattern: /(\byield\s+)from\b/i,
          lookbehind: true
        },
        // `class` is always a keyword unlike other keywords
        /\bclass\b/i,
        {
          // https://www.php.net/manual/en/reserved.keywords.php
          //
          // keywords cannot be preceded by "->"
          // the complex lookbehind means `(?<!(?:->|::)\s*)`
          pattern:
            /((?:^|[^\s>:]|(?:^|[^-])>|(?:^|[^:]):)\s*)\b(?:abstract|and|array|as|break|callable|case|catch|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|enum|eval|exit|extends|final|finally|fn|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|match|namespace|never|new|or|parent|print|private|protected|public|readonly|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield|__halt_compiler)\b/i,
          lookbehind: true
        }
      ],
      'argument-name': {
        pattern: /([(,]\s*)\b[a-z_]\w*(?=\s*:(?!:))/i,
        lookbehind: true
      },
      'class-name': [
        {
          pattern:
            /(\b(?:extends|implements|instanceof|new(?!\s+self|\s+static))\s+|\bcatch\s*\()\b[a-z_]\w*(?!\\)\b/i,
          greedy: true,
          lookbehind: true
        },
        {
          pattern: /(\|\s*)\b[a-z_]\w*(?!\\)\b/i,
          greedy: true,
          lookbehind: true
        },
        {
          pattern: /\b[a-z_]\w*(?!\\)\b(?=\s*\|)/i,
          greedy: true
        },
        {
          pattern: /(\|\s*)(?:\\?\b[a-z_]\w*)+\b/i,
          alias: 'class-name-fully-qualified',
          greedy: true,
          lookbehind: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern: /(?:\\?\b[a-z_]\w*)+\b(?=\s*\|)/i,
          alias: 'class-name-fully-qualified',
          greedy: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern:
            /(\b(?:extends|implements|instanceof|new(?!\s+self\b|\s+static\b))\s+|\bcatch\s*\()(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
          alias: 'class-name-fully-qualified',
          greedy: true,
          lookbehind: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern: /\b[a-z_]\w*(?=\s*\$)/i,
          alias: 'type-declaration',
          greedy: true
        },
        {
          pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
          alias: ['class-name-fully-qualified', 'type-declaration'],
          greedy: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern: /\b[a-z_]\w*(?=\s*::)/i,
          alias: 'static-context',
          greedy: true
        },
        {
          pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*::)/i,
          alias: ['class-name-fully-qualified', 'static-context'],
          greedy: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern: /([(,?]\s*)[a-z_]\w*(?=\s*\$)/i,
          alias: 'type-hint',
          greedy: true,
          lookbehind: true
        },
        {
          pattern: /([(,?]\s*)(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
          alias: ['class-name-fully-qualified', 'type-hint'],
          greedy: true,
          lookbehind: true,
          inside: {
            punctuation: /\\/
          }
        },
        {
          pattern: /(\)\s*:\s*(?:\?\s*)?)\b[a-z_]\w*(?!\\)\b/i,
          alias: 'return-type',
          greedy: true,
          lookbehind: true
        },
        {
          pattern: /(\)\s*:\s*(?:\?\s*)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
          alias: ['class-name-fully-qualified', 'return-type'],
          greedy: true,
          lookbehind: true,
          inside: {
            punctuation: /\\/
          }
        }
      ],
      constant: constant,
      function: {
        pattern: /(^|[^\\\w])\\?[a-z_](?:[\w\\]*\w)?(?=\s*\()/i,
        lookbehind: true,
        inside: {
          punctuation: /\\/
        }
      },
      property: {
        pattern: /(->\s*)\w+/,
        lookbehind: true
      },
      number: number,
      operator: operator,
      punctuation: punctuation
    }
    var string_interpolation = {
      pattern:
        /\{\$(?:\{(?:\{[^{}]+\}|[^{}]+)\}|[^{}])+\}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)?)/,
      lookbehind: true,
      inside: Prism.languages.php
    }
    var string = [
      {
        pattern: /<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,
        alias: 'nowdoc-string',
        greedy: true,
        inside: {
          delimiter: {
            pattern: /^<<<'[^']+'|[a-z_]\w*;$/i,
            alias: 'symbol',
            inside: {
              punctuation: /^<<<'?|[';]$/
            }
          }
        }
      },
      {
        pattern:
          /<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,
        alias: 'heredoc-string',
        greedy: true,
        inside: {
          delimiter: {
            pattern: /^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,
            alias: 'symbol',
            inside: {
              punctuation: /^<<<"?|[";]$/
            }
          },
          interpolation: string_interpolation
        }
      },
      {
        pattern: /`(?:\\[\s\S]|[^\\`])*`/,
        alias: 'backtick-quoted-string',
        greedy: true
      },
      {
        pattern: /'(?:\\[\s\S]|[^\\'])*'/,
        alias: 'single-quoted-string',
        greedy: true
      },
      {
        pattern: /"(?:\\[\s\S]|[^\\"])*"/,
        alias: 'double-quoted-string',
        greedy: true,
        inside: {
          interpolation: string_interpolation
        }
      }
    ]
    Prism.languages.insertBefore('php', 'variable', {
      string: string,
      attribute: {
        pattern:
          /#\[(?:[^"'\/#]|\/(?![*/])|\/\/.*$|#(?!\[).*$|\/\*(?:[^*]|\*(?!\/))*\*\/|"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*')+\](?=\s*[a-z$#])/im,
        greedy: true,
        inside: {
          'attribute-content': {
            pattern: /^(#\[)[\s\S]+(?=\]$)/,
            lookbehind: true,
            // inside can appear subset of php
            inside: {
              comment: comment,
              string: string,
              'attribute-class-name': [
                {
                  pattern: /([^:]|^)\b[a-z_]\w*(?!\\)\b/i,
                  alias: 'class-name',
                  greedy: true,
                  lookbehind: true
                },
                {
                  pattern: /([^:]|^)(?:\\?\b[a-z_]\w*)+/i,
                  alias: ['class-name', 'class-name-fully-qualified'],
                  greedy: true,
                  lookbehind: true,
                  inside: {
                    punctuation: /\\/
                  }
                }
              ],
              constant: constant,
              number: number,
              operator: operator,
              punctuation: punctuation
            }
          },
          delimiter: {
            pattern: /^#\[|\]$/,
            alias: 'punctuation'
          }
        }
      }
    })
    Prism.hooks.add('before-tokenize', function (env) {
      if (!/<\?/.test(env.code)) {
        return
      }
      var phpPattern =
        /<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#(?!\[))(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|#\[|\/\*(?:[^*]|\*(?!\/))*(?:\*\/|$))*?(?:\?>|$)/g
      Prism.languages['markup-templating'].buildPlaceholders(
        env,
        'php',
        phpPattern
      )
    })
    Prism.hooks.add('after-tokenize', function (env) {
      Prism.languages['markup-templating'].tokenizePlaceholders(env, 'php')
    })
  })(Prism)
}