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PHP
PHP Articles
Page 81 of 81
How to draw an open polygon using the imageopenpolygon() function n PHP?
imageopenpolygon() is an inbuilt function in PHP that is used to draw an open polygon on a given image.Syntaxbool imageopenpolygon(resource $image, array $points, int $num_points, int $color)Parametersimageopenpolygon() takes four different parameters: $image, $points, $num_points and$color. $image − Specifies the image resource to work on.$image − Specifies the image resource to work on.$points − Specifies the points of the polygon.$num_points − Specifies the number of points. The total number of (vertices) points must be at least three.$color − This parameter specifies the color of the polygon.Return Valuesimageopenpolygon() returns True on success and False on failure.Example 1OutputExample 2Output
Read MoreHow to draw a line using imageline() function in PHP?
imageline() is an inbuilt function in PHP that is used to draw a line between two given points.Syntaxbool imageline(resource $image, int $x1, int $y1, int $x2, int $y2, int $color)Parametersimageline() takes six different parameters: $image, $x1, $y1, $x2, $y2 and $color.$image − Specifies the image resource to work on.$x1 − Specifies the starting x-coordinate.$y1 − Specifies the starting y-coordinate.$x2 − Specifies the ending x-coordinate.$y2 − Specifies the ending y-coordinate.$color − Specifies the line color and a color identifier created using imagecolorallocate() function.Return Valuesimageline() returns True on success or False on failure.Example 1 − Add a line to an imageOutputExample 2Output
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