tempnam

Function • Params and return types changed in PHP 8.0

Create file with unique file name.

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

tempnam Function synopsis

tempnam(string $directory, string $prefix): string|false

Parameters

$directory

Typestring

The directory where the temporary filename will be created.

$prefix

Typestring

The prefix of the generated temporary filename.

Return value

Typestring|false

Returns the new temporary filename (with path), or false on failure.

Changes to the tempnam Function

PHP 8.0

  • Return type added: string|false
  • Parameter name of parameter #1 changed: $dir to $directory
  • Parameter type added for parameter #1 ($directory): string
  • Parameter type added for parameter #2 ($prefix): string
- tempnam($dir, $prefix)
+ tempnam(string $directory, string $prefix): string|false

tempnam 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