Crop a picture PHP code

The following example cuts the 100x100 portion of the upper-left corner of the picture. You can modify the clipping range by modifying $src_x, $src _y, $src _w, $src the value of _h. $filename = "Test.jpg"; List ($w, $h, $type, $attr) = getimagesize ($filename); $src _im = Imagecreatefromjpeg ($filename); $src _x = ' 0 '; Begin X $src _y = ' 0 '; Begin Y $src _w = ' 100 '; Width $src _h = ' 100 '; Height $DST _x = ' 0 '; Destination X $dst _y = ' 0 '; Destination y $DST _im = Imagecreatetruecolor ($src _w, $src _h); $white = Imagecolorallocate ($dst _im, 255, 255, 255); Imagefill ($dst _im, 0, 0, $white); Imagecopy ($dst _im, $src _im, $dst _x, $dst _y, $src _x, $src _y, $src _w, $src _h); Header ("Content-type:image/png"); Imagepng ($dst _im); Imagedestroy ($dst _im); ?> Copy Code

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