fread

Function • Params and return types changed in PHP 8.0

Binary-safe file read.

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

fread Function synopsis

fread($stream, int $length): string|false

Parameters

$stream
$length

Typeint

Up to $length number of bytes read.

Return value

Typestring|false

Returns the read string or false on failure.

Changes to the fread Function

PHP 8.0

  • Return type added: string|false
  • Parameter name of parameter #1 changed: $fp to $stream
  • Parameter type added for parameter #2 ($length): int
- fread($fp, $length)
+ fread($stream, int $length): string|false

fread 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