highlight_file

Function • Params and return types changed in PHP 8.0

Syntax highlighting of a file.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

highlight_file Function synopsis

highlight_file(string $filename, bool $return = false): string|bool

Parameters

$filename

Typestring

Path to the PHP file to be highlighted.

$return

OptionalTypeboolDefault valuefalse

Set this parameter to true to make this function return the highlighted code.

Return value

Typestring|bool

If $return is set to true, returns the highlighted code as a string instead of printing it out. Otherwise, it will return true on success, false on failure.

Changes to the highlight_file Function

PHP 8.0

  • Return type added: string|bool
  • Parameter name of parameter #1 changed: $file_name to $filename
  • Parameter type added for parameter #1 ($filename): string
  • Parameter type added for parameter #2 ($return): bool
  • Parameter default value added for position #2 ($return): false
- highlight_file($file_name, $return)
+ highlight_file(string $filename, bool $return = false): string|bool

highlight_file Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes