PHP show_source() Function

PHP Misc Reference : Using a test file ("test.php") to output the file with the PHP syntax highlighted

Definition and Usage

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().

Note: When using this function, the entire file will be displayed - including passwords and any other sensitive information!

Syntax

show_source(filename,return)

Parameter Values

Parameter Description
filename Required. Specifies the file to display
return Optional. If set to TRUE, this function will return the highlighted code as a string, instead of printing it out. Default is FALSE

Technical Details

Return Value: If the return parameter is set to TRUE, this function returns the highlighted code as a string instead of printing it out. Otherwise, it returns TRUE on success, or FALSE on failure
PHP Version: 4+
Changelog: As of PHP 4.2.1, this function is now also affected by safe_mode and open_basedir. However, safe_mode was removed in PHP 5.4.
PHP 4.2 - The return parameter was added.

❮ PHP Misc Reference