mb_chr

Function • Params and return types changed in PHP 8.0

Return character by Unicode code point value.

PHP 5
PHP 7.0-7.1
PHP 7.2
Added
PHP 7.3-7.4
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

mb_chr Function synopsis

mb_chr(int $codepoint, ?string $encoding = null): string|false

Parameters

$codepoint

Typeint

A Unicode codepoint value, e.g. 128024 for U+1F418 ELEPHANT

$encoding

OptionalType?stringDefault valuenull

Return value

Typestring|false

A string containing the requested character, if it can be represented in the specified encoding or false on failure.

Changes to the mb_chr Function

PHP 8.0

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

PHP 7.2

  • Function added

mb_chr 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 No
PHP 7.0Unsupported No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No