## Here is an example for PHP.
syntax php "\.ph(p[23457s~]?|tml)$"
magic "PHP script"
comment "//"
# PHP markings.
color brightgreen "(<\?(php)?|\?>)"
# Function names.
color white "\<[A-Za-z_][A-Za-z_0-9]*\("
# Variable names.
color cyan "\$[A-Za-z_][A-Za-z_0-9]*"
# Types.
color green "\<(array|bool|callable|const|float|global|int|object|string|var)\>"
# Directives and structure.
color brightcyan "\<(abstract|as|class|clone|(end)?declare|extends|function|implements|include(_once)?|inst(ance|ead)of|interface|namespace|new|private|protected|public|require(_once)?|static|trait|use|yield)\>"
color brightcyan "\<(case|catch|default|do|echo|else(if)?|end(for(each)?|if|switch|while)|final(ly)?|for(each)?|if|print|switch|throw|try|while)\>"
# Operators.
color brightcyan "\<(and|or|xor)\>"
# Control flow.
color magenta "\<(break|continue|goto|return)\>"
# Strings.
color brightyellow ""(\.|[^"])*"" "'(\.|[^'])*'"
# Comments.
color brightblue "(^|[[:space:]]+)//.*"
color brightblue start="/\*" end="\*/"
# Trailing whitespace.
color ,green "[[:space:]]+$"