A Simple PHP Image Resize Code

PHP - 2019-05-15 02:03:54

PHP image resizing script that will re size JPG and PNG images. Specify a width OR a height OR both. Images are resized proportionally if only a width or a height is specified.
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// Get the image info from the photo

$image_info
= getimagesize($photo); $width = $new_width = $image_info[0]; $height = $new_height = $image_info[1]; $type = $image_info[2]; // Load the image switch ($type) { case IMAGETYPE_JPEG: $image = imagecreatefromjpeg($photo); break; case IMAGETYPE_GIF: $image = imagecreatefromgif($photo); break; case IMAGETYPE_PNG: $image = imagecreatefrompng($photo); break; default: die('Error loading '.$photo.' - File type '.$type.' not supported'); } // Create a new, resized image $new_width = 180; $new_height = $height / ($width / $new_width); $new_image = imagecreatetruecolor($new_width, $new_height); imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height); // Save the new image over the top of the original photo switch ($type) { case IMAGETYPE_JPEG: imagejpeg($image, $photo, 100); break; case IMAGETYPE_GIF: imagegif($image, $photo); break; case IMAGETYPE_PNG: imagepng($image, $photo); break; default: die('Error saving image: '.$photo); }