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imagerectangle

Description

The imagerectangle of Image for PHP draw a rectangle.

Syntax

imagerectangle(
    GdImage $image,
    int $x1,
    int $y1,
    int $x2,
    int $y2,
    int $color
): bool

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

x1

Upper left x coordinate.

y1

Upper left y coordinate 0, 0 is the top left corner of the image.

x2

Bottom right x coordinate.

y2

Bottom right y coordinate.

color

A color identifier created with imagecolorallocate().

Return

Returns true on success or false on failure.

Examples

1 · return

<?

$width = 100;
$height = 100;
$image = imagecreate($width, $height);

$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);

$x1 = 25;
$y1 = 25;
$x2 = 75;
$y2 = 75;

$return = imagerectangle($image, $x1, $y1, $x2, $y2, $color);
    
var_export($return);

true

2 · base64

<?

$width = 100;
$height = 100;
$image = imagecreatetruecolor($width, $height);

$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);

$x1 = 25;
$y1 = 25;
$x2 = 75;
$y2 = 75;
imagerectangle($image, $x1, $y1, $x2, $y2, $color);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAq0lEQVR4nO3bwQmAMBBFQSP233JswQd7CDhTwCf77rkuAAAAAAAAAD5bg1t778G1QWtNnjnjzFiDr7qnhv5ArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECsQKxArECs4JmdO/N/JgAAAAAAAMCUF0xHDF1vkW5ZAAAAAElFTkSuQmCC">
</body>
</html>