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This article mainly introduces how to use geimagesize in php, which has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

php geimagesize measures the size of any image file and returns the image's size along with the file type and a height/width text string that can be used in IMG tags in plain HTML files using syntax such as "geimagesize ('xxx.jpg ')."

Operating environment: Windows 7 system, PHP7.1 version, DELL G3 computer

The getimagesize() function measures the size of any GIF, JPG, PNG, SWF, SWC, PSD, TIFF, BMP, IFF, JP2, JPX, JB2, JPC, XBM, or WBMP image file and returns the image's size along with the file type and a height/width text string that can be used in IMG tags in normal HTML files.

php geimagesize method detailed explanation

The geimagesize method allows you to view the details of an image, as follows:

> print_r(getimagesize('mnjpg.jpg'));Array( [0] => 2250 //width [1] => 1500 //High [2] => 3 //Type [3] => width="2250" height="1500" [bits] => 8 [mime] => image/png)

Image Type Description

$imageTypeArray = array( 0 => 'UNKNOWN', 1 => 'GIF', 2 => 'JPEG', 3 => 'PNG', 4 => 'SWF', 5 => 'PSD', 6 => 'BMP', 7 => 'TIFF_II', 8 => 'TIFF_MM', 9 => 'JPC', 10 => 'JP2', 11 => 'JPX', 12 => 'JB2', 13 => 'SWC', 14 => 'IFF', 15 => 'WBMP', 16 => 'XBM', 17 => 'ICO', 18 => 'COUNT' );

Image upload, take jpeg type as an example

$old_image = imagecreatefromjpeg ($image_url);$new_image = imagecreatetruecolor ($width, $height);imagecopy ($new_image, $old_image, 0, 0, $x1, $y1, $width, $height);ob_start();imagejpeg ($new_image);$contents = ob_get_contents();ob_end_clean();imagedestroy ($old_image);imagedestroy ($new_image);//upload new image to image server $url = 'xxx/upload';$client = Apf_Http_CurlClient::getInstance();$ret = $client->doPost ($url, array('file' => base64_encode($contents)), array(), array(), 1000);$ret = json_decode ($ret, true); Thank you for reading this article carefully, I hope Xiaobian shared "how to use geimagesize in php" This article is helpful to everyone, but also hope that everyone will support, pay attention to the industry information channel, more relevant knowledge waiting for you to learn!

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