PHP version 7.4.20 (03 Jun 2021)

Core:

• Fixed bug #80929 (Method name corruption related to repeated calls to call_user_func_array). (twosee)
• Fixed bug #80960 (opendir() warning wrong info when failed on Windows). (cmb)
• Fixed bug #67792 (HTTP Authorization schemes are treated as case-sensitive). (cmb)
• Fixed bug #80972 (Memory exhaustion on invalid string offset). (girgias)

FPM:

• Fixed bug #65800 (Events port mechanism). (psumbera)

FTP:

• Fixed bug #80901 (Info leak in ftp extension). (cmb)
• Fixed bug #79100 (Wrong FTP error messages). (cmb)

GD:

• Fixed bug #81032 (GD install is affected by external libgd installation). (Flavio Heleno, cmb)

MBString:

• Fixed bug #81011 (mb_convert_encoding removes references from arrays). (cmb)

ODBC:

• Fixed bug #80460 (ODBC doesn't account for SQL_NO_TOTAL indicator). (cmb)

PDO_MySQL:

• Fixed bug #81037 (PDO discards error message text from prepared statement). (Kamil Tekiela)

PDO_ODBC:

• Fixed bug #44643 (bound parameters ignore explicit type definitions). (cmb)

pgsql:

• Fixed php_pgsql_fd_cast() wrt. php_stream_can_cast(). (cmb)

SPL:

• Fixed bug #80933 (SplFileObject::DROP_NEW_LINE is broken for NUL and CR). (cmb, Nikita)

Opcache:

• Fixed bug #80900 (switch statement behavior inside function). (twosee)
• Fixed bug #81015 (Opcache optimization assumes wrong part of ternary operator in if-condition). (Nikita)

XMLReader:

• Fixed bug #73246 (XMLReader: encoding length not checked). (cmb)

Zip:

• Fixed bug #80863 (ZipArchive::extractTo() ignores references). (cmb)