# Changelog

The following changes have been made to classes/functions/methods of this extension.

Version | Function | Description
--- | --- | ---
7.3.0 | define | case_insensitive has been deprecated and will be removed in version 8.0.0.
7.2.0 | pack | float and double types supports both Big Endian and Little Endian.
| unpack | float and double types supports both Big Endian and Little Endian.
7.1.0 | unpack | The optional offset has been added.
7.0.15,7.1.1 | pack | The "e", "E", "g" and "G" codes were added to enable byte order support for float and double.
7.0.0 | define | array values are allowed.
5.6.3 | pack | The "q", "Q", "J" and "P" codes were added to enable working with 64-bit numbers.
5.5.0 | pack | The "Z" code was added with equivalent functionality to "a" for Perl compatibility.
| unpack | Changes were made to bring this function into line with Perl: The "a" code now retains trailing NULL bytes. The "A" code now strips all trailing ASCII whitespace (spaces, tabs, newlines, carriage returns, and NULL bytes). The "Z" code was added for NULL-padded strings, and removes trailing NULL bytes.
5.3.4 | sleep | Before PHP 5.3.4, on Windows, sleep always returns NULL when sleep has occurred, regardless of whether the sleep was interrupted or not.
5.3.0 | time_nanosleep | This function is now available on Windows platforms.
| time_sleep_until | This function is now available on Windows platforms.
5.0.5 | php_check_syntax | This function was removed from PHP.
5.0.3 | php_check_syntax | Calling exit after php_check_syntax resulted in a Segfault.
5.0.1 | php_check_syntax | error_message is passed by reference.