<HTML ><HEAD ><TITLE >Function Reference</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="PREVIOUS" TITLE="Persistent database connections" HREF="features.persistent-connections.html"><LINK REL="NEXT" TITLE="Apache-specific functions" HREF="ref.apache.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="features.persistent-connections.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ref.apache.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="PART" ><A NAME="funcref" ></A ><DIV CLASS="TITLEPAGE" ><H1 CLASS="title" >IV. Function Reference</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >I. <A HREF="ref.apache.html" >Apache-specific functions</A ></DT ><DT >II. <A HREF="ref.bc.html" >Arbitrary precision mathematics functions</A ></DT ><DT >III. <A HREF="ref.array.html" >Array functions</A ></DT ><DT >IV. <A HREF="ref.aspell.html" >Aspell functions</A ></DT ><DT >V. <A HREF="ref.calendar.html" >Calendar functions</A ></DT ><DT >VI. <A HREF="ref.cpdf.html" >ClibPDF functions</A ></DT ><DT >VII. <A HREF="ref.zlib.html" >Compression functions</A ></DT ><DT >VIII. <A HREF="ref.dba.html" >Database (dbm-style) abstraction layer functions</A ></DT ><DT >IX. <A HREF="ref.datetime.html" >Date and Time functions</A ></DT ><DT >X. <A HREF="ref.dbase.html" >dBase functions</A ></DT ><DT >XI. <A HREF="ref.dbm.html" >dbm functions</A ></DT ><DT >XII. <A HREF="ref.dir.html" >Directory functions</A ></DT ><DT >XIII. <A HREF="ref.dl.html" >Dynamic Loading functions</A ></DT ><DT >XIV. <A HREF="ref.mcrypt.html" >Encryption functions</A ></DT ><DT >XV. <A HREF="ref.filepro.html" >filePro functions</A ></DT ><DT >XVI. <A HREF="ref.filesystem.html" >Filesystem functions</A ></DT ><DT >XVII. <A HREF="ref.fdf.html" >Forms Data Format functions</A ></DT ><DT >XVIII. <A HREF="ref.ftp.html" >FTP functions</A ></DT ><DT >XIX. <A HREF="ref.mhash.html" >Hash functions</A ></DT ><DT >XX. <A HREF="ref.http.html" >HTTP functions</A ></DT ><DT >XXI. <A HREF="ref.hyperwave.html" >Hyperwave functions</A ></DT ><DT >XXII. <A HREF="ref.image.html" >Image functions</A ></DT ><DT >XXIII. <A HREF="ref.imap.html" >IMAP, POP3 and NNTP functions</A ></DT ><DT >XXIV. <A HREF="ref.ifx.html" >Informix functions</A ></DT ><DT >XXV. <A HREF="ref.ibase.html" >InterBase functions</A ></DT ><DT >XXVI. <A HREF="ref.ldap.html" >LDAP functions</A ></DT ><DT >XXVII. <A HREF="ref.mail.html" >Mail functions</A ></DT ><DT >XXVIII. <A HREF="ref.math.html" >Mathematical functions</A ></DT ><DT >XXIX. <A HREF="ref.mcal.html" >MCAL functions</A ></DT ><DT >XXX. <A HREF="ref.mssql.html" >Microsoft SQL Server functions</A ></DT ><DT >XXXI. <A HREF="ref.misc.html" >Miscellaneous functions</A ></DT ><DT >XXXII. <A HREF="ref.msql.html" >mSQL functions</A ></DT ><DT >XXXIII. <A HREF="ref.mysql.html" >MySQL functions</A ></DT ><DT >XXXIV. <A HREF="ref.network.html" >Network functions</A ></DT ><DT >XXXV. <A HREF="ref.nis.html" >NIS functions</A ></DT ><DT >XXXVI. <A HREF="ref.odbc.html" >ODBC functions</A ></DT ><DT >XXXVII. <A HREF="ref.oracle.html" >Oracle functions</A ></DT ><DT >XXXVIII. <A HREF="ref.oci8.html" >Oracle 8 functions</A ></DT ><DT >XXXIX. <A HREF="ref.pdf.html" >PDF functions</A ></DT ><DT >XL. <A HREF="ref.pcre.html" >Perl-compatible Regular Expression functions</A ></DT ><DT >XLI. <A HREF="ref.info.html" >PHP options & information</A ></DT ><DT >XLII. <A HREF="ref.posix.html" >POSIX functions</A ></DT ><DT >XLIII. <A HREF="ref.pgsql.html" >PostgreSQL functions</A ></DT ><DT >XLIV. <A HREF="ref.exec.html" >Program Execution functions</A ></DT ><DT >XLV. <A HREF="ref.recode.html" >GNU Recode functions</A ></DT ><DT >XLVI. <A HREF="ref.regex.html" >Regular expression functions</A ></DT ><DT >XLVII. <A HREF="ref.sem.html" >Semaphore and shared memory functions</A ></DT ><DT >XLVIII. <A HREF="ref.session.html" >Session handling functions</A ></DT ><DT >XLIX. <A HREF="ref.snmp.html" >SNMP functions</A ></DT ><DT >L. <A HREF="ref.strings.html" >String functions</A ></DT ><DT >LI. <A HREF="ref.sybase.html" >Sybase functions</A ></DT ><DT >LII. <A HREF="ref.url.html" >URL Functions</A ></DT ><DT >LIII. <A HREF="ref.var.html" >Variable functions</A ></DT ><DT >LIV. <A HREF="ref.vmailmgr.html" >Vmailmgr functions</A ></DT ><DT >LV. <A HREF="ref.wddx.html" >WDDX functions</A ></DT ><DT >LVI. <A HREF="ref.xml.html" >XML parser functions</A ></DT ></DL ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="features.persistent-connections.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ref.apache.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Persistent database connections</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Apache-specific functions</TD ></TR ></TABLE ></DIV ></BODY ></HTML >