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PHP | imageline() Function

Last Updated : 31 Jan, 2020

The imageline() function is an inbuilt function in PHP which is used to set the draws a line between the two given points.

Syntax:

bool imageline( resource $image, int $x1, int $y1, 
int $x2, int $y2, int $color )

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

$image: It specifies the image resource to work on.
$x1: It specifies the starting x-coordinate.
$y1: It specifies the starting y-coordinate.
$x2: It specifies the ending x-coordinate.
$y2: It specifies the ending y-coordinate.
$color: It specifies the line color.

Return Value: This function returns TRUE on success or FALSE on failure.

Below examples illustrate the imageline() function in PHP:

Example 1: In this example add a line to a image.

<?php 
  
// Create an image instance 
$im = imagecreatefrompng( 
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png'); 
  
// Prepare the line color 
$text_color = imagecolorallocate($im, 255, 0, 0); 
  
// Add a line 
imageline($im, 40, 100, 640, 100, $text_color); 
  
// Output the image 
header('Content-type: image/png'); 
imagepng($im); 
imagedestroy($im); 
?> 

Output:

Example 2: In this example we will add a line to a drawing.

<?php 
  
// Create an image instance 
$im = imagecreate(700, 200); 
  
// Initialize the colors 
$yellow = imagecolorallocate($im, 255, 255, 0); 
$blue = imagecolorallocate($im, 0, 0, 255); 
  
// Add a yellow background 
imageline($im, 0, 0, 700, 200, $yellow); 
  
// Add a blue line 
imageline($im, 0, 0, 840, 250, $blue); 
  
// Output the image 
header('Content-type: image/png'); 
imagepng($im); 
imagedestroy($im); 
?> 

Output:

Reference: https://www.php.net/manual/en/function.imageline.php

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