iconv_strrpos

FunctionParams and return types changed in PHP 8.0

Finds the last occurrence of a needle within a haystack.

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

iconv_strrpos Function synopsis

iconv_strrpos(
    string $haystack,
    string $needle,
    ?string $encoding = null
  ): int|false

Parameters

$haystack

Typestring

The entire string.

$needle

Typestring

The searched substring.

$encoding

OptionalType?stringDefault valuenull

If $encoding parameter is omitted or null, $string are assumed to be encoded in iconv.internal_encoding.

Return value

Typeint|false

Returns the numeric position of the last occurrence of $needle in $haystack.

If $needle is not found, iconv_strrpos will return false.

Changes to the iconv_strrpos Function

PHP 8.0

  • Return type added: int|false
  • Parameter type added for parameter #1 ($haystack): string
  • Parameter type added for parameter #2 ($needle): string
  • Parameter name of parameter #3 changed: $charset to $encoding
  • Parameter type added for parameter #3 ($encoding): ?string
  • Parameter default value added for position #3 ($encoding): null
  iconv_strrpos(
-     $haystack,
+     string $haystack,
-     $needle,
+     string $needle,
-     $charset
+     ?string $encoding = null
-   )
+   ): int|false

iconv_strrpos 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