Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

<HTML
><HEAD
><TITLE
>exif_imagetype</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="Image functions"
HREF="ref.image.html"><LINK
REL="NEXT"
TITLE="exif_read_data"
HREF="function.exif-read-data.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="ref.image.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.exif-read-data.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.exif-imagetype"
></A
>exif_imagetype</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN33906"
></A
><P
>    (PHP 4 &#62;= 4.3.0)</P
>exif_imagetype&nbsp;--&nbsp;Determine the type of an image</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN33909"
></A
><H2
>Description</H2
>int|false <B
CLASS="methodname"
>exif_imagetype</B
> ( string filename)<BR
></BR
><P
>&#13;    <B
CLASS="function"
>exif_imagetype()</B
> reads the first bytes of an image and
    checks its signature. When a correct signature is found a constant will be
    returned otherwise the return value is <TT
CLASS="constant"
><B
>FALSE</B
></TT
>. The return value is the same
    value that <A
HREF="function.getimagesize.html"
><B
CLASS="function"
>getimagesize()</B
></A
> returns in index 2 but this
    function is much faster.
   </P
><P
>&#13;    The following constants are defined:
    1 = IMAGETYPE_GIF, 2 = IMAGETYPE_JPEG, 3 = IMAGETYPE_PNG, 4 = IMAGETYPE_SWF,
    5 = IMAGETYPE_PSD, 6 = IMAGETYPE_BMP, 7 = IMAGETYPE_TIFF_II (intel byte order),
    8 = IMAGETYPE_TIFF_MM (motorola byte order), 9 = IMAGETYPE_JPC, 10 = IMAGETYPE_JP2,
    11 = IMAGETYPE_JPX, 12 = IMAGETYPE_SWC.
   </P
><P
>&#13;    This function can be used to avoid calls to other exif functions with unsupported
    file types or in conjunction with $_SERVER['HTTP_ACCEPT'] to check whether or
    not the viewer is able to see a specific image in his browser.
   </P
><P
>&#13;    <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      This function is only available in PHP 4 compiled using
      <TT
CLASS="option"
>--enable-exif</TT
>.
     </P
><P
>&#13;      This function does not require the GD image library.
     </P
><P
>&#13;      See also <A
HREF="function.getimagesize.html"
><B
CLASS="function"
>getimagesize()</B
></A
>.
     </P
></BLOCKQUOTE
></DIV
>
   </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="ref.image.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.exif-read-data.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Image functions</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"
>exif_read_data</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>