Created
February 24, 2021 05:53
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Quick PHP code highlighter
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<?php | |
function highlight_string_ex($string) { | |
static $COLORS = [ | |
"comment" => "\e[32m%s\e[0m", // green | |
"constant" => "\e[93m%s\e[0m", // yellow | |
"function" => "\e[97m%s\e[0m", // white | |
"keyword" => "\e[94m%s\e[0m", // blue | |
"magic" => "\e[93m%s\e[0m", // yellow | |
"string" => "\e[95m%s\e[0m", // magenta | |
"tag" => "\e[94m%s\e[0m", // blue | |
"variable" => "\e[36m%s\e[0m", // cyan | |
"" => "%s", | |
]; | |
static $TOKENS = [ | |
T_AS => "as", | |
T_CLOSE_TAG => "tag", | |
T_COMMENT => "comment", | |
T_CONCAT_EQUAL => "", | |
T_CONSTANT_ENCAPSED_STRING => "string", | |
T_CONTINUE => "keyword", | |
T_DOUBLE_ARROW => "", | |
T_ECHO => "keyword", | |
T_ELSE => "keyword", | |
T_FILE => "magic", | |
T_FOREACH => "keyword", | |
T_FUNCTION => "keyword", | |
T_IF => "keyword", | |
T_IS_EQUAL => "", | |
T_ISSET => "keyword", | |
T_LIST => "keyword", | |
T_OPEN_TAG => "tag", | |
T_RETURN => "keyword", | |
T_STATIC => "keyword", | |
T_VARIABLE => "variable", | |
T_WHITESPACE => "", | |
]; | |
$output = ""; | |
foreach (token_get_all($string) as $token) { | |
if (is_string($token)) { | |
// plain string | |
$output .= $token; | |
continue; | |
} | |
list($t, $str) = $token; | |
if ($t == T_STRING) { | |
// T_STRING represents constants and other names | |
if (function_exists($str)) { | |
$output .= sprintf($COLORS["function"], $str); | |
} else if (defined($str)) { | |
$output .= sprintf($COLORS["constant"], $str); | |
} else { | |
$output .= $str; | |
} | |
} else if (isset($TOKENS[$t])) { | |
$output .= sprintf($COLORS[$TOKENS[$t]], $str); | |
} else { | |
// $output .= $str; | |
$output .= sprintf("<%s '%s'>", token_name($t), $str); | |
} | |
} | |
return $output; | |
} | |
echo highlight_string_ex(file_get_contents(__FILE__)); | |
?> |
Yes: literally change the color of your terminal. Not with PHP. In the terminal's settings or options or whatever.
ok, not expected, let me keep trying on my own. thanks all the same.
the library is now ready:
https://github.com/arcanisgk/BOH-Basic-Output-Handler
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Those strings go into sprintf, using %s placeholders to mark where the source $str should be inserted. You need to use
"\033[38;5;010m%s\033[0m"
.To replicate how PHP's own highlight_string outputs HTML, those strings would look like
"<span style='color: black;'>%s</span>"
.