<HTML ><HEAD ><TITLE >imagetypes</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Image functions" HREF="ref.image.html"><LINK REL="PREVIOUS" TITLE="imagettftext" HREF="function.imagettftext.html"><LINK REL="NEXT" TITLE="imagewbmp" HREF="function.imagewbmp.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation 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="function.imagettftext.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.imagewbmp.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.imagetypes" ></A >imagetypes</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN36874" ></A ><P > (PHP 3 CVS only, PHP 4 >= 4.0.2)</P >imagetypes -- Return the image types supported by this PHP build</DIV ><DIV CLASS="refsect1" ><A NAME="AEN36877" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >imagetypes</B > ( void)<BR ></BR ><P > This function returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, <TT CLASS="literal" >IMG_GIF</TT > | <TT CLASS="literal" >IMG_JPG</TT > | <TT CLASS="literal" >IMG_PNG</TT > | <TT CLASS="literal" >IMG_WBMP</TT >. To check for PNG support, for example, do this: <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN36888" ></A ><P ><B >Example 1. imagetypes</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php if (imagetypes() & IMG_PNG) { echo "PNG Support is enabled"; } ?></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.imagettftext.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.imagewbmp.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >imagettftext</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.image.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >imagewbmp</TD ></TR ></TABLE ></DIV ></BODY ></HTML >