chunk_split

Function • Params and return types changed in PHP 8.0

Split a string into smaller chunks.

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

chunk_split Function synopsis

chunk_split(
    string $string,
    int $length = 76,
    string $separator = "\r\n"
  ): string

Parameters

$string

Typestring

The string to be chunked.

$length

OptionalTypeintDefault value76

The chunk length.

$separator

OptionalTypestringDefault value"\r\n"

The line ending sequence.

Return value

Typestring

Returns the chunked string.

Changes to the chunk_split Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $str to $string
  • Parameter type added for parameter #1 ($string): string
  • Parameter name of parameter #2 changed: $chunklen to $length
  • Parameter type added for parameter #2 ($length): int
  • Parameter default value added for position #2 ($length): 76
  • Parameter name of parameter #3 changed: $ending to $separator
  • Parameter type added for parameter #3 ($separator): string
  • Parameter default value added for position #3 ($separator): "\r\n"
  chunk_split(
-     $str,
+     string $string,
-     $chunklen,
+     int $length = 76,
-     $ending
+     string $separator = "\r\n"
-   )
+   ): string

chunk_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