/usr/share/source-highlight/php.lang is in libsource-highlight-common 3.1.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | state symbol delim "<?php" "?>" multiline begin
preproc = "include|include_once|require|require_once"
comment start "//"
include "script_comment.lang"
include "number.lang"
string delim "\"" "\"" escape "\\" multiline
string delim "'" "'" escape "\\" multiline
keyword = "and|or|xor|__FILE__|exception|php_user_filter|__LINE__|abstract|array|as|break|case|catch|cfunction|class|clone|const|continue|declare|default|die|do|each|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|eval|exit|extends|final|for|foreach|function|global|goto|if|implements|interface|instanceof|isset|list|namespace|new|old_function|print|private|protected|public|return|static|switch|throw|try|unset|use|var|while|__FUNCTION__|__CLASS__|__METHOD__|__DIR__|__NAMESPACE__|null|false|true"
include "c_comment.lang"
variable = '(?:\$[#]?|@|%)[[:word:]]+'
include "symbols.lang"
cbracket = "{|}"
include "function.lang"
end
include "html.lang"
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