PHP 8.1 – All Deprecated functions and features

Here is a list of all deprecated functions and things in latest PHP 8.1.

• Serializable interface of __serialize() and __unserializale() <- link this !!!
• Passing NULL to not null params in build-in php functions <- link this !!!
• Automatic conversion of false values for arrays
• date_sunrise() and date_sunset()
• key(), current(), next(), prev(), and reset() on objects
• mb_check_encoding() without argument
• get_class(), get_parent_class() and get_called_class() without argument
• FILE_BINARY and FILE_TEXT constants
• t fopen mode
• Passing bool for $value argument of IntlCalendar::roll()
• Accessing static members on traits
• strptime()
• strftime()
• gmtstrftime()
• mhash() function family
• ctype_() function family accepts int parameters
• Return by reference with void type
• NIL constant defined by the IMAP extension
• Calling overloaded pgsql functions without the connection argument
• $num_points parameter of image(open|filled)polygon
• mysqli::init()
• filter.default ini setting
• auto_detect_line_endings ini setting
• ssl_method option to SoapClient constructor
• FILTER_SANITIZE_STRING
• oci8.old_oci_close_semantics ini setting
• odbc_result_all()

More about PHP 8.1

Read more about all PHP 8.1 features and changes in here.