str_split

Function • Params and return types changed in PHP 8.0

Convert a string to an array.

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

str_split Function synopsis

str_split(string $string, int $length = 1): array

Parameters

$string

Typestring

The input string.

$length

OptionalTypeintDefault value1

Maximum length of the chunk.

Return value

Typearray

If the optional $length parameter is specified, the returned array will be broken down into chunks with each being $length in length, except the final chunk which may be shorter if the string does not divide evenly. The default $length is 1, meaning every chunk will be one byte in size.

Changes to the str_split Function

PHP 8.0

  • Return type added: array
  • Parameter name of parameter #1 changed: $str to $string
  • Parameter type added for parameter #1 ($string): string
  • Parameter name of parameter #2 changed: $split_length to $length
  • Parameter type added for parameter #2 ($length): int
  • Parameter default value added for position #2 ($length): 1
- str_split($str, $split_length)
+ str_split(string $string, int $length = 1): array

str_split 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