PHP installation ImageMagick, Magickwand related issues urgent

PHP installation ImageMagick, Magickwand problem Urgent ~ ~
On the internet a php-5.2.4_magickwand_q16_st.dll put him in the PHP root directory of the EXT directory under the Windows folder php.ini also increased Extension=php-5.2.4_magickwand_ Q16_st.dll Run Can see


Magickwand
Magickwand Backend Library ImageMagick
Magickwand Extension Version 1.0.5
ImageMagick Support Enabled
ImageMagick version ImageMagick 6.3.5 09/21/07 Q16 http://www.imagemagick.org
ImageMagick Quantumrange (MAXRGB) 65535
Magickwand supported image formats A, ART, AVI, AVS, B, BIE, BMP, BMP2, BMP3, C, CAPTION, CIN, CIP, CLIP, CLIPBOARD, CMYK, Cmyka, CR2, CRW, CUR, CUT, DCM, DCR, DCX, DFONT, DNG, DPS, DPX, EMF, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, E PT3, EXR, FAX, FITS, FRACTAL, FTS, G, G3, GIF, GIF87, GRADIENT, GRAY, histogram, HTM, HTML, ICB, ICO, ICON, INFO, IPL, JBG , JBIG, JNG, JP2, JPC, JPEG, JPG, JPX, K, LABEL, M, M2V, MAP, MAT, MATTE, MIFF, MNG, MONO, MPC, MPEG, MPG, MRW, MSL, Msvg, MTV, MVG, NEF, NULL, O, ORF, OTB, OTF, PAL, PALM, PAM, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PEF, PFA, PFB, P FM, PGM, PGX, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG24, PNG32, PNG8, PNM, PPM, PREVIEW, PS, PS2, PS3, PSD, PTIF, PWP, R , RAF, RAS, RGB, RGBA, RGBO, RLA, RLE, SCR, SCT, SFW, SGI, SHTML, STEGANO, SUN, SVG, SVGZ, TEXT, TGA, THUMBNAIL, TIFF, TIF F64, TILE, TIM, TTC, TTF, TXT, UIL, UYVY, VDA, VICAR, VID, VIFF, VST, WBMP, WMF, WMFWIN32, WMZ, WPG, X, x3f, XBM, XC, XCF, XPM, XV, XWD, Y, YCbCr, YCBCRA, YUV



Figure



But run

$handle =imagick_readimage ("3.gif");
$image _width = Imagick_getwidth ($handle);
Imagick_destroyhandle ($handle);
echo "$image _width";
?>

will appear

Fatal error:call to undefined function imagick_readimage () inch C:\AppServ\www\t.php on line 2

Error, may I ask how this is going?

ImageMagick is the installation successful, if the installation is successful why can not find the function?

The urgent ...

------Solution--------------------
Execute first
Print_r (Get_extension_funcs (' Magickwand '));
See what functions are available

