PHP version 7.4.19 (06 May 2021)

PDO_pgsql:

• Reverted bug fix for #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR). (Matteo)

PHP version 7.4.18 (29 Apr 2021)

Core:

• Fixed bug #80781 (Error handler that throws ErrorException infinite loop). (Nikita)
• Fixed bug #75776 (Flushing streams with compression filter is broken). (cmb)

Dba:

• Fixed bug #80817 (dba_popen() may cause segfault during RSHUTDOWN). (cmb)

DOM:

• Fixed bug #66783 (UAF when appending DOMDocument to element). (cmb)

FPM:

• Fixed bug #80024 (Duplication of info about inherited socket after pool removing). (Jakub Zelenka)

FTP:

• Fixed bug #80880 (SSL_read on shutdown, ftp/proc_open). (cmb, Jakub Zelenka)

Imap:

• Fixed bug #80710 (imap_mail_compose() header injection). (cmb, Stas)

Intl:

• Fixed bug #80763 (msgfmt_format() does not accept DateTime references). (cmb)

LibXML:

• Fixed bug #51903 (simplexml_load_file() doesn't use HTTP headers). (cmb)
• Fixed bug #73533 (Invalid memory access in php_libxml_xmlCheckUTF8). (cmb)

MySQLnd:

• Fixed bug #80713 (SegFault when disabling ATTR_EMULATE_PREPARES and MySQL 8.0). (Nikita)
• Fixed bug #80837 (Calling stmt_store_result after fetch doesn't throw an error). (Kamil Tekiela)

Opcache:

• Fixed bug #80805 (create simple class and get error in opcache.so). (Nikita)
• Fixed bug #80950 (Variables become null in if statements). (Nikita)

Pcntl:

• Fixed bug #79812 (Potential integer overflow in pcntl_exec()). (cmb)

PCRE:

• Fixed bug #80866 (preg_split ignores limit flag when pattern with \K has 0-width fullstring match). (Kamil Tekiela)

PDO_ODBC:

• Fixed bug #80783 (PDO ODBC truncates BLOB records at every 256th byte). (cmb)

PDO_pgsql:

• Fixed bug #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR). (Matteo)

phpdbg:

• Fixed bug #80757 (Exit code is 0 when could not open file). (Felipe)

Session:

• Fixed bug #80774 (session_name() problem with backslash). (cmb)
• Fixed bug #80889 (Cannot set save handler when save_handler is invalid). (cmb)

SOAP:

• Fixed bug #69668 (SOAP special XML characters in namespace URIs not encoded). (cmb)

Standard:

• Fixed bug #78719 (http wrapper silently ignores long Location headers). (cmb)
• Fixed bug #80771 (phpinfo(INFO_CREDITS) displays nothing in CLI). (cmb)
• Fixed bug #80838 (HTTP wrapper waits for HTTP 1 response after HTTP 101). (manuelm)
• Fixed bug #80915 (Taking a reference to $_SERVER hides its values from phpinfo()). (Rowan Tommins)