1 | /**
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2 | * Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
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3 | * Modified by Miles Johnson: http://milesj.me
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4 | * Rewritten by Tom Pavelec
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5 | *
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6 | * Supports PHP 5.3 - 8.0
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7 | */
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8 | (function (Prism) {
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9 | var comment = /\/\*[\s\S]*?\*\/|\/\/.*|#(?!\[).*/;
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10 | var constant = [
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11 | {
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12 | pattern: /\b(?:false|true)\b/i,
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13 | alias: 'boolean'
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14 | },
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15 | {
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16 | pattern: /(::\s*)\b[a-z_]\w*\b(?!\s*\()/i,
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17 | greedy: true,
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18 | lookbehind: true,
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19 | },
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20 | {
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21 | pattern: /(\b(?:case|const)\s+)\b[a-z_]\w*(?=\s*[;=])/i,
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22 | greedy: true,
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23 | lookbehind: true,
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24 | },
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25 | /\b(?:null)\b/i,
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26 | /\b[A-Z_][A-Z0-9_]*\b(?!\s*\()/,
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27 | ];
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28 | 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;
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29 | var operator = /<?=>|\?\?=?|\.{3}|\??->|[!=]=?=?|::|\*\*=?|--|\+\+|&&|\|\||<<|>>|[?~]|[/^|%*&<>.+-]=?/;
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30 | var punctuation = /[{}\[\](),:;]/;
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31 |
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32 | Prism.languages.php = {
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33 | 'delimiter': {
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34 | pattern: /\?>$|^<\?(?:php(?=\s)|=)?/i,
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35 | alias: 'important'
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36 | },
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37 | 'comment': comment,
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38 | 'variable': /\$+(?:\w+\b|(?=\{))/,
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39 | 'package': {
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40 | pattern: /(namespace\s+|use\s+(?:function\s+)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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41 | lookbehind: true,
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42 | inside: {
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43 | 'punctuation': /\\/
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44 | }
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45 | },
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46 | 'class-name-definition': {
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47 | pattern: /(\b(?:class|enum|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,
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48 | lookbehind: true,
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49 | alias: 'class-name'
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50 | },
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51 | 'function-definition': {
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52 | pattern: /(\bfunction\s+)[a-z_]\w*(?=\s*\()/i,
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53 | lookbehind: true,
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54 | alias: 'function'
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55 | },
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56 | 'keyword': [
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57 | {
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58 | pattern: /(\(\s*)\b(?:array|bool|boolean|float|int|integer|object|string)\b(?=\s*\))/i,
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59 | alias: 'type-casting',
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60 | greedy: true,
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61 | lookbehind: true
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62 | },
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63 | {
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64 | pattern: /([(,?]\s*)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|object|self|static|string)\b(?=\s*\$)/i,
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65 | alias: 'type-hint',
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66 | greedy: true,
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67 | lookbehind: true
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68 | },
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69 | {
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70 | pattern: /(\)\s*:\s*(?:\?\s*)?)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|never|object|self|static|string|void)\b/i,
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71 | alias: 'return-type',
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72 | greedy: true,
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73 | lookbehind: true
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74 | },
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75 | {
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76 | pattern: /\b(?:array(?!\s*\()|bool|float|int|iterable|mixed|object|string|void)\b/i,
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77 | alias: 'type-declaration',
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78 | greedy: true
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79 | },
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80 | {
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81 | pattern: /(\|\s*)(?:false|null)\b|\b(?:false|null)(?=\s*\|)/i,
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82 | alias: 'type-declaration',
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83 | greedy: true,
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84 | lookbehind: true
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85 | },
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86 | {
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87 | pattern: /\b(?:parent|self|static)(?=\s*::)/i,
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88 | alias: 'static-context',
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89 | greedy: true
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90 | },
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91 | {
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92 | // yield from
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93 | pattern: /(\byield\s+)from\b/i,
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94 | lookbehind: true
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95 | },
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96 | // `class` is always a keyword unlike other keywords
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97 | /\bclass\b/i,
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98 | {
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99 | // https://www.php.net/manual/en/reserved.keywords.php
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100 | //
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101 | // keywords cannot be preceded by "->"
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102 | // the complex lookbehind means `(?<!(?:->|::)\s*)`
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103 | 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,
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104 | lookbehind: true
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105 | }
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106 | ],
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107 | 'argument-name': {
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108 | pattern: /([(,]\s*)\b[a-z_]\w*(?=\s*:(?!:))/i,
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109 | lookbehind: true
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110 | },
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111 | 'class-name': [
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112 | {
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113 | pattern: /(\b(?:extends|implements|instanceof|new(?!\s+self|\s+static))\s+|\bcatch\s*\()\b[a-z_]\w*(?!\\)\b/i,
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114 | greedy: true,
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115 | lookbehind: true
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116 | },
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117 | {
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118 | pattern: /(\|\s*)\b[a-z_]\w*(?!\\)\b/i,
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119 | greedy: true,
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120 | lookbehind: true
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121 | },
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122 | {
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123 | pattern: /\b[a-z_]\w*(?!\\)\b(?=\s*\|)/i,
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124 | greedy: true
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125 | },
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126 | {
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127 | pattern: /(\|\s*)(?:\\?\b[a-z_]\w*)+\b/i,
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128 | alias: 'class-name-fully-qualified',
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129 | greedy: true,
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130 | lookbehind: true,
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131 | inside: {
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132 | 'punctuation': /\\/
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133 | }
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134 | },
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135 | {
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136 | pattern: /(?:\\?\b[a-z_]\w*)+\b(?=\s*\|)/i,
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137 | alias: 'class-name-fully-qualified',
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138 | greedy: true,
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139 | inside: {
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140 | 'punctuation': /\\/
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141 | }
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142 | },
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143 | {
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144 | pattern: /(\b(?:extends|implements|instanceof|new(?!\s+self\b|\s+static\b))\s+|\bcatch\s*\()(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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145 | alias: 'class-name-fully-qualified',
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146 | greedy: true,
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147 | lookbehind: true,
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148 | inside: {
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149 | 'punctuation': /\\/
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150 | }
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151 | },
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152 | {
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153 | pattern: /\b[a-z_]\w*(?=\s*\$)/i,
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154 | alias: 'type-declaration',
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155 | greedy: true
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156 | },
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157 | {
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158 | pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
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159 | alias: ['class-name-fully-qualified', 'type-declaration'],
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160 | greedy: true,
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161 | inside: {
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162 | 'punctuation': /\\/
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163 | }
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164 | },
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165 | {
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166 | pattern: /\b[a-z_]\w*(?=\s*::)/i,
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167 | alias: 'static-context',
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168 | greedy: true
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169 | },
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170 | {
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171 | pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*::)/i,
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172 | alias: ['class-name-fully-qualified', 'static-context'],
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173 | greedy: true,
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174 | inside: {
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175 | 'punctuation': /\\/
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176 | }
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177 | },
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178 | {
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179 | pattern: /([(,?]\s*)[a-z_]\w*(?=\s*\$)/i,
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180 | alias: 'type-hint',
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181 | greedy: true,
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182 | lookbehind: true
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183 | },
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184 | {
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185 | pattern: /([(,?]\s*)(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
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186 | alias: ['class-name-fully-qualified', 'type-hint'],
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187 | greedy: true,
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188 | lookbehind: true,
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189 | inside: {
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190 | 'punctuation': /\\/
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191 | }
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192 | },
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193 | {
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194 | pattern: /(\)\s*:\s*(?:\?\s*)?)\b[a-z_]\w*(?!\\)\b/i,
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195 | alias: 'return-type',
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196 | greedy: true,
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197 | lookbehind: true
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198 | },
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199 | {
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200 | pattern: /(\)\s*:\s*(?:\?\s*)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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201 | alias: ['class-name-fully-qualified', 'return-type'],
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202 | greedy: true,
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203 | lookbehind: true,
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204 | inside: {
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205 | 'punctuation': /\\/
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206 | }
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207 | }
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208 | ],
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209 | 'constant': constant,
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210 | 'function': {
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211 | pattern: /(^|[^\\\w])\\?[a-z_](?:[\w\\]*\w)?(?=\s*\()/i,
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212 | lookbehind: true,
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213 | inside: {
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214 | 'punctuation': /\\/
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215 | }
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216 | },
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217 | 'property': {
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218 | pattern: /(->\s*)\w+/,
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219 | lookbehind: true
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220 | },
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221 | 'number': number,
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222 | 'operator': operator,
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223 | 'punctuation': punctuation
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224 | };
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225 |
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226 | var string_interpolation = {
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227 | pattern: /\{\$(?:\{(?:\{[^{}]+\}|[^{}]+)\}|[^{}])+\}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)?)/,
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228 | lookbehind: true,
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229 | inside: Prism.languages.php
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230 | };
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231 |
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232 | var string = [
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233 | {
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234 | pattern: /<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,
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235 | alias: 'nowdoc-string',
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236 | greedy: true,
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237 | inside: {
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238 | 'delimiter': {
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239 | pattern: /^<<<'[^']+'|[a-z_]\w*;$/i,
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240 | alias: 'symbol',
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241 | inside: {
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242 | 'punctuation': /^<<<'?|[';]$/
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243 | }
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244 | }
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245 | }
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246 | },
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247 | {
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248 | pattern: /<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,
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249 | alias: 'heredoc-string',
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250 | greedy: true,
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251 | inside: {
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252 | 'delimiter': {
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253 | pattern: /^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,
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254 | alias: 'symbol',
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255 | inside: {
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256 | 'punctuation': /^<<<"?|[";]$/
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257 | }
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258 | },
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259 | 'interpolation': string_interpolation
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260 | }
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261 | },
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262 | {
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263 | pattern: /`(?:\\[\s\S]|[^\\`])*`/,
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264 | alias: 'backtick-quoted-string',
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265 | greedy: true
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266 | },
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267 | {
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268 | pattern: /'(?:\\[\s\S]|[^\\'])*'/,
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269 | alias: 'single-quoted-string',
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270 | greedy: true
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271 | },
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272 | {
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273 | pattern: /"(?:\\[\s\S]|[^\\"])*"/,
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274 | alias: 'double-quoted-string',
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275 | greedy: true,
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276 | inside: {
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277 | 'interpolation': string_interpolation
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278 | }
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279 | }
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280 | ];
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281 |
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282 | Prism.languages.insertBefore('php', 'variable', {
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283 | 'string': string,
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284 | 'attribute': {
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285 | pattern: /#\[(?:[^"'\/#]|\/(?![*/])|\/\/.*$|#(?!\[).*$|\/\*(?:[^*]|\*(?!\/))*\*\/|"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*')+\](?=\s*[a-z$#])/im,
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286 | greedy: true,
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287 | inside: {
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288 | 'attribute-content': {
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289 | pattern: /^(#\[)[\s\S]+(?=\]$)/,
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290 | lookbehind: true,
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291 | // inside can appear subset of php
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292 | inside: {
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293 | 'comment': comment,
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294 | 'string': string,
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295 | 'attribute-class-name': [
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296 | {
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297 | pattern: /([^:]|^)\b[a-z_]\w*(?!\\)\b/i,
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298 | alias: 'class-name',
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299 | greedy: true,
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300 | lookbehind: true
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301 | },
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302 | {
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303 | pattern: /([^:]|^)(?:\\?\b[a-z_]\w*)+/i,
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304 | alias: [
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305 | 'class-name',
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306 | 'class-name-fully-qualified'
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307 | ],
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308 | greedy: true,
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309 | lookbehind: true,
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310 | inside: {
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311 | 'punctuation': /\\/
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312 | }
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313 | }
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314 | ],
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315 | 'constant': constant,
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316 | 'number': number,
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317 | 'operator': operator,
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318 | 'punctuation': punctuation
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319 | }
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320 | },
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321 | 'delimiter': {
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322 | pattern: /^#\[|\]$/,
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323 | alias: 'punctuation'
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324 | }
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325 | }
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326 | },
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327 | });
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328 |
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329 | Prism.hooks.add('before-tokenize', function (env) {
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330 | if (!/<\?/.test(env.code)) {
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331 | return;
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332 | }
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333 |
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334 | var phpPattern = /<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#(?!\[))(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|#\[|\/\*(?:[^*]|\*(?!\/))*(?:\*\/|$))*?(?:\?>|$)/g;
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335 | Prism.languages['markup-templating'].buildPlaceholders(env, 'php', phpPattern);
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336 | });
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337 |
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338 | Prism.hooks.add('after-tokenize', function (env) {
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339 | Prism.languages['markup-templating'].tokenizePlaceholders(env, 'php');
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340 | });
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341 |
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342 | }(Prism));
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