Здійснено наступні зміни з класами/функціями/методами цього розширення.
| Version | Function | Description | 
|---|---|---|
| 8.4.0 | exit | exit is now a proper function, therefore it follows the usual type juggling semantics is affected by the strict_types declare, can be called with named arguments, and be a variable functions. | 
| 8.3.0 | highlight_file | The resulting HTML has changed. | 
| highlight_string | Готова розмітка HTML зазнала змін. | |
| 8.1.0 | define | value can now be an object. | 
| 8.0.0 | constant | If the constant is not defined, constant now throws an Error exception; previously an E_WARNING was generated, and null was returned. | 
| define | Passing true to case_insensitive now emits an E_WARNING. Passing false is still allowed. | |
| ignore_user_abort | enable is nullable now. | |
| pack | This function no longer returns false on failure. | |
| sapi_windows_vt100_support | enable is now nullable. | |
| sleep | The function throws a ValueError on negative seconds; previously, an E_WARNING was raised instead, and the function returned false. | |
| 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. | |
| 7.1.1 | pack | The "e", "E", "g" and "G" codes were added to enable byte order support for float and double. | 
| 7.1.0 | unpack | The optional offset has been added. | 
| 7.0.15 | pack | The "e", "E", "g" and "G" codes were added to enable byte order support for float and double. | 
