(PHP 7 >= 7.2.0)
imagesetclip — Set the clipping rectangle
$im
, int $x1
, int $y1
, int $x2
, int $y2
) : boolimagesetclip() sets the current clipping rectangle, i.e. the area beyond which no pixels will be drawn.
image锟斤拷图锟襟创斤拷锟斤拷锟斤拷(锟斤拷锟斤拷imagecreatetruecolor())锟斤拷锟截碉拷图锟斤拷锟斤拷源锟斤拷
x1The x-coordinate of the upper left corner.
y1The y-coordinate of the upper left corner.
x2The x-coordinate of the lower right corner.
y2The y-coordinate of the lower right corner.
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷