PHP | imagecreatetruecolor() Function Last Updated : 11 Jul, 2025 Comments Improve Suggest changes 1 Likes Like Report The imagecreatetruecolor() function is an inbuilt function in PHP which is used to create a new true-color image. This function returns a blank image of the given size. Syntax: resource imagecreatetruecolor( $width, $height ) Parameters: This function accepts two parameters as mentioned above and described below: $width: This parameter is used to set the width of image. $height: This parameter is used to set the height of image. Return Value: This function returns an image resource identifier on success, or False on errors. Below programs illustrate the imagecreatetruecolor() function in PHP: Program 1: php <?php // Set the vertices of polygon $values = array( 150, 50, // Point 1 (x, y) 50, 250, // Point 2 (x, y) 250, 250 // Point 3 (x, y) ); // Create the size of image or blank image $image = imagecreatetruecolor(300, 300); // Set the background color of image $background_color = imagecolorallocate($image, 0, 153, 0); // Fill background with above selected color imagefill($image, 0, 0, $background_color); // Allocate a color for the polygon $image_color = imagecolorallocate($image, 255, 255, 255); // Draw the polygon imagepolygon($image, $values, 3, $image_color); // Output the picture to the browser header('Content-type: image/png'); imagepng($image); ?> output: Program 2: php <?php // Create the size of image or blank image. $image = imagecreatetruecolor(500, 300); // Display the height of image. echo imagesy($image); ?> output: 300 Related Articles: PHP | imagecolortransparent() Function PHP | imagepolygon() Function Reference: https://www.php.net/manual/en/function.imagecreatetruecolor.php Comment V vijay_raj Follow 1 Improve V vijay_raj Follow 1 Improve Article Tags : Misc Web Technologies PHP Image-Processing PHP-function +1 More Explore PHP Tutorial 8 min read BasicsPHP Syntax 4 min read PHP Variables 5 min read PHP | Functions 8 min read PHP Loops 4 min read ArrayPHP Arrays 5 min read PHP Associative Arrays 4 min read Multidimensional arrays in PHP 5 min read Sorting Arrays in PHP 4 min read OOPs & InterfacesPHP Classes 2 min read PHP | Constructors and Destructors 5 min read PHP Access Modifiers 4 min read Multiple Inheritance in PHP 4 min read MySQL DatabasePHP | MySQL Database Introduction 4 min read PHP Database connection 2 min read PHP | MySQL ( Creating Database ) 3 min read PHP | MySQL ( Creating Table ) 3 min read PHP AdvancePHP Superglobals 6 min read PHP | Regular Expressions 12 min read PHP Form Handling 4 min read PHP File Handling 4 min read PHP | Uploading File 3 min read PHP Cookies 9 min read PHP | Sessions 7 min read Like