strlen
Function • Params and return types changed in PHP 8.0
Get string length.
strlen Function synopsis
strlen(string $string): intParameters
$string
Typestring
The string being measured for length.
Return value
Typeint
The length of the $string in bytes.
Changes to the strlen Function
PHP 8.0
- Return type added:
int - Parameter name of parameter #1 changed:
$strto$string - Parameter type added for parameter #1 (
$string):string
- strlen($str)
+ strlen(string $string): intstrlen Function Availability
strlen Function Availability| PHP Version | Availability |
|---|---|
| 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 |