在HTML中显示未解析的PHP
I want to show unparsed PHP code in my HTML. For example, I want this to render in my HTML documents.
This is how you print text in PHP
<?php print "Hello!"; ?>
By printing the codes as a string with htmlspecialchars(), they will not be parsed by either your server or the browser.
echo htmlspecialchars('<?php print "Hello!"; ?>')
In HTML, use "<" and ">" for your '<' and '>' characters.
<p>This is how you print text in PHP</p>
<?php print "Hello!"; ?>
Have a look at the highlight_file function in PHP.
You pass in a file and it either prints out the source with syntax highlighting to screen or with an optional return parameter, you can echo it out where you want. Example: highlight_file($file) or echo highlight_file($file,true)
There are examples in the link to also get line numbers for the code.
Other methods require manually reading the file with other functions in PHP and/or require having the source code you want as strings in other files.
Using highlight_file is really good as you can have a working PHP file somewhere so a person can see what it does and very easily view the source with highlighting. This would be the best method for showing code as a tutorial or reference.
EDIT
You can also do highlighting of a value that is stored in a string with highlight_string