file_exists

Function • Params and return types changed in PHP 8.0

Checks whether a file or directory exists.

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

file_exists Function synopsis

file_exists(string $filename): bool

Parameters

$filename

Typestring

Path to the file or directory.

Return value

Typebool

Returns true if the file or directory specified by $filename exists; false otherwise.

This function will return `false` for symlinks pointing to non-existing
files.

The check is done using the real UID/GID instead of the effective one.

Changes to the file_exists Function

PHP 8.0

  • Return type added: bool
  • Parameter type added for parameter #1 ($filename): string
- file_exists($filename)
+ file_exists(string $filename): bool

file_exists 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