PHP | imagerectangle() Function

The imagerectangle() function is an inbuilt function in PHP which is used to draw the rectangle.

Syntax:

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

Parameters: This function accepts six parameters as mentioned above and described below:

  • $image: It is returned by one of the image creation functions, such as imagecreatetruecolor(). It is used to create size of image.
  • $x1: This parameter is used to set the upper left x-coordinate.
  • $y1: This parameter is used to set the upper left y-coordinate.
  • $x2: This parameter is used to set the bottom right x-coordinate.
  • $y2: This parameter is used to set the bottom right y-coordinate.
  • $color: A color identifier created with imagecolorallocate().

Return Value: This function returns True on success or False on failure.

Below programs illustrate the imagerectangle() function in PHP:

Program 1:

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<?php
  
// Create an image  of given size
$image = imagecreatetruecolor(400, 400);
  
// Create an image color
$green = imagecolorallocate($image, 0, 153, 0);
$white = imagecolorallocate($image, 255, 255, 255);
  
// Draw the rectangle
imagerectangle($image, 50, 50, 350, 350, $green);
imagerectangle($image, 100, 100, 300, 300, $white);
  
// Output and free from memory
header('Content-Type: image/jpeg');
  
imagejpeg($image);
imagedestroy($image);
?>

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Output:
image

Program 2:

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<?php
  
// Create an image  of given size
$image = imagecreatetruecolor(400, 400);
  
// Set the background color of image 
$background_color = imagecolorallocate($image,  255, 255, 255); 
       
// Fill background with above selected color 
imagefill($image, 0, 0, $background_color); 
  
// Create an image color
$green = imagecolorallocate($image, 0, 153, 0);
$white = imagecolorallocate($image, 155, 53, 32);
  
// Draw the rectangle
imagerectangle($image, 50, 50, 350, 350, $green);
imagerectangle($image, 100, 100, 300, 300, $white);
  
// Output and free from memory
header('Content-Type: image/jpeg');
  
imagejpeg($image);
imagedestroy($image);
?>

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Output:
imag

Reference: http://php.net/manual/en/function.imagerectangle.php



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