Created
January 16, 2018 03:49
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make thumb of image from the php functions
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <center> | |
| <form action="ab1.php" method="post" enctype="multipart/form-data"> | |
| Select image to upload: | |
| <input type="file" name="file"><br><br> | |
| Desired width: <input type="text" name="desired_width"><br><br> | |
| <input type="submit" value="Upload Image" name="submit"> | |
| </form> | |
| </center> | |
| </body> | |
| </html> | |
| <?php | |
| if(!empty($_FILES)){ | |
| $fileName = $_FILES["file"]["name"]; | |
| $target_path = __DIR__."/thumbs/".$fileName; | |
| $file_ext = pathinfo($fileName, PATHINFO_EXTENSION); | |
| if(move_uploaded_file($_FILES["file"]["tmp_name"],$fileName)){ | |
| /* read the source image */ | |
| $desired_width = $_POST["desired_width"]; | |
| switch($file_ext){ | |
| case 'jpg': | |
| $source_image = imagecreatefromjpeg($fileName); | |
| break; | |
| case 'jpeg': | |
| $source_image = imagecreatefromjpeg($fileName); | |
| break; | |
| case 'png': | |
| $source_image = imagecreatefrompng($fileName); | |
| break; | |
| default: | |
| $source_image = imagecreatefrompng($fileName); | |
| } | |
| $width = imagesx($source_image); | |
| $height = imagesy($source_image); | |
| /* find the "desired height" of this thumbnail, relative to the desired width */ | |
| $desired_height = floor($height * ($desired_width / $width)); | |
| /* create a new, "virtual" image */ | |
| $virtual_image = imagecreatetruecolor($desired_width, $desired_height); | |
| /* copy source image at a resized size */ | |
| imagecopyresampled($virtual_image, $source_image, 0, 0, 0, 0, $desired_width, $desired_height, $width, $height); | |
| /* create the physical thumbnail image to its destination */ | |
| switch($file_ext){ | |
| case 'jpg' || 'jpeg': | |
| imagejpeg($virtual_image,$target_path); | |
| break; | |
| case 'png': | |
| imagepng($virtual_image,$target_path); | |
| break; | |
| default: | |
| imagepng($virtual_image,$target_path); | |
| } | |
| unlink($fileName); | |
| echo "thumb created"; | |
| } | |
| else{ | |
| die("no"); | |
| } | |
| } | |
| ?> |
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