Imagejpeg ( $nimg, $modified_filename ) Imagecopyresized ( $nimg, $img, 0, 0, 0, 0, $n_width, $n_height, $width, $height ) Resize the image based on the arguments used on imagecopyresized() function $nimg = imagecreatetruecolor ( $n_width, $n_height ) $img = imagecreatefromjpeg ( $orginal_filename ) Set the height and width of the new image After executing the following script, the original image and the cropped images will be shown in the browser.
This function takes ten argument values to resize the image and it returns true for resizing the image successfully, otherwise returns false. The modified image shows the cropped image based on the values used imagecrop() function.Įxample-2: Resize image using imagecopyresized() functionĬreate a PHP file with the following script to resize the image by using imagecopyresize() function. The following output will appear after executing the above script. Imagejpeg ( $img_crop, $modified_filename ) Crop the image based on the argument used in imagecrop() function
Resize image in html install#
Run the following commands to update the system and install the gd library of PHP. You have to install this library and enable the gd extension in the php.ini file before testing the script of this tutorial.ġ. The GD library of PHP has been used in this tutorial to load and resize the image. PHP has many types of built-in functions to resize an image and any of them can be used based on the returned value of the getimagesize() function. The first three indexes are mainly required to resize the image and these indexes contain the width, height, and type of the image. The getimagesize() function is used to retrieve the necessary information of any image that will be used to resize the image. imagecreatefromgif() – It is used to load the image of the GIF format.imagecreatefrompng() – It is used to load the image of the PNG format.imagecreatefromjpeg() – It is used to load the image of the JPEG format.Some commonly used functions are mentioned below. Many built-in functions exist in PHP to load different types of images. The image requires to load in the script before resizing it. The uses of different PHP functions for resizing image have shown in this tutorial. PHP has many built-in functions to resize the image at the execution time. The tag of the HTML has a height and width attribute to change the size of any image but the size of the image remains fixed for all types of devices in this case. The image is required to resize for displaying the web page properly and the size of the image is required to change based on the device’s screen. We can’t imagine any website without any image now. Images are a major part of any modern website.
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