The show_source() function outputs a file with the PHP syntax highlighted. The syntax is highlighted by using HTML tags.The colors used for highlighting can be set in the php.ini file or with the ini_set() function.show_source() is an alias of highlight_file().
Using a test file ("test.php") to output the file with the PHP syntax highlighted:
The browser output of the code above could be (depending on the content in your file):
The HTML output of the code above could be (View Source):
| Parameter | Description |
|---|---|
| filename | Required. Specifies the file to display |
| return | Optional. If this parameter is set to TRUE, this function will return the highlighted code as a string, instead of printing it out. Default is FALSE |