hex2bin

Function • Params and return types changed in PHP 8.0

Decodes a hexadecimally encoded binary string.

PHP 5.3

Added

PHP 5.5-5.6

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`hex2bin` Function synopsis

hex2bin(string $string): string|false

Parameters

`$string`

Typestring

Hexadecimal representation of data.

Return value

Typestring|false

Returns the binary representation of the given data or false on failure.

Changes to the `hex2bin` Function

PHP 8.0

Return type added: string|false
Parameter name of parameter #1 changed: $data to $string
Parameter type added for parameter #1 ($string): string

- hex2bin($data)
+ hex2bin(string $string): string|false

PHP 5.4

Function added

`hex2bin` 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	No