This appendix categorizes more than 150 extensions documented in the PHP manual by several criteria.
Reference XXIV, dBase Functions
Reference XXV, DBM Functions [deprecated]
Reference XXIII, DB++ Functions
Reference XL, FrontBase Functions
Reference XXXIV, filePro Functions
Reference LVII, Informix Functions
Reference XXXVI, Firebird/InterBase Functions
Reference L, IBM DB2, Cloudscape and Apache Derby Functions
Reference LVIII, Ingres II Functions
Reference LXVIII, MaxDB PHP Extension
Reference LXXV, Microsoft SQL Server Functions
Reference LXXXI, mSQL Functions
Reference LXXXIV, MySQL Functions
Reference LXXXVI, MySQL Improved Extension
Reference XCVIII, Oracle 8 functions
Reference XCIX, Oracle Functions
Reference CII, Ovrimos SQL Functions
Reference CIII, Paradox File Access
Reference CXI, PostgreSQL Functions
Reference CXXIX, SESAM Database Functions
Reference CXXXVII, SQLite Functions
Reference CXLII, Sybase Functions
Reference XXIX, DOM Functions
Reference XXX, DOM XML Functions
Reference LXII, libxml Functions
Reference CXVIII, qtdom Functions
Reference CXXVI, SDO XML Data Access Service Functions
Reference CXXXIII, SimpleXML functions
Reference CLIV, XML Parser Functions
Reference CLVI, XMLReader functions
Reference CLVII, XSL functions
Reference CLVIII, XSLT Functions
Reference XVIII, CURL, Client URL Library Functions
Reference XXXIII, File Alteration Monitor Functions
Reference XLI, FTP Functions
Reference XLIX, Hyperwave Functions
Reference XLVIII, Hyperwave API Functions
Reference LIX, IRC Gateway Functions
Reference CVII, PHP / Java Integration
Reference LXI, LDAP Functions
Reference LXXII, Memcache Functions
Reference LXXIX, mnoGoSearch Functions
Reference LXXXIX, Net_Gopher
Reference LXXXVIII, Network Functions
Reference LXIII, Lotus Notes Functions
Reference XCVII, OpenSSL Functions
Reference CXXXVI, Socket Functions
Reference CXXVII, Secure Shell2 Functions
Reference CXLIII, TCP Wrappers Functions
Reference CLIX, YAZ Functions
Reference CLX, YP/NIS Functions
Reference CXXXIV, SNMP Functions