Add syntax highlighting files

syntax_files/php.micro

@@ -0,0 +1,40 @@
+## PHP Syntax Highlighting
+syntax "PHP" "\.php[2345s~]?$"
+color white "(?s)<\?(php|=)?.*?\?>"
+# Functions
+color brightblue "([a-zA-Z0-9_-]*)\("
+# Constructs
+color brightblue "(class|extends|goto) ([a-zA-Z0-9_]*)"
+color green "[^a-z0-9_-]{1}(var|class|function|echo|case|break|default|exit|switch|if|else|elseif|endif|foreach|endforeach|@|while|public|private|protected|return|true|false|null|TRUE|FALSE|NULL|const|static|extends|as|array|require|include|require_once|include_once|define|do|continue|declare|goto|print|in|namespace|use)[^a-z0-9_-]{1}"
+color brightblue "[a-zA-Z0-9]+:"
+# Variables
+color white "\$[a-zA-Z_0-9$]*|[=!<>]"
+color white "\->[a-zA-Z_0-9$]*|[=!<>]"
+# Special Characters
+color yellow "[.,{}();]"
+color yellow "\["
+color yellow "\]"
+color yellow "[=][^>]"
+# Numbers
+color magenta "[+-]*([0-9]\.)*[0-9]+([eE][+-]?([0-9]\.)*[0-9])*"
+color magenta "0x[0-9a-zA-Z]*"
+# Special Variables
+color brightblue "(\$this|parent::|self::|\$this->)"
+# Bitwise Operations
+color magenta "(\;|\||\^){1}"
+# And/Or/SRO/etc
+color green "(\;\;|\|\||::|=>|->)"
+# Online Comments
+color brightyellow "(#.*|//.*)$"
+# STRINGS!
+color red "('[^']*')|(\"[^\"]*\")"
+# Inline Variables
+color white "\{\$[^}]*\}"
+# PHP Tags
+color red "(<\?(php)?|\?>)"
+# General HTML
+color red "(?s)\?>.*?<\?(php|=)?"
+# trailing whitespace
+color ,green "[^[:space:]]{1}[[:space:]]+$"
+# multi-line comments
+color brightyellow "(?s)/\*.*?\*/"