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PHP implements image format conversion

藏色散人
藏色散人Original
2020-11-26 09:43:563649browse

php method to implement image format conversion: first create a new php file and put two images in the test directory; then use the pathinfo function to determine the format of the image; finally use the function imagejpeg to convert the image source into jpg format Picture and save it.

PHP implements image format conversion

The operating environment of this tutorial: Windows 7 system, PHP version 5.6. This method is suitable for all brands of computers.

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Use php to convert png and gif format images into jpg format images

Method

Create a new php file and name it test.php.

PHP implements image format conversion

Use the header to set the encoding format of the current file utf8 to avoid garbled characters when outputting text.

PHP implements image format conversion

Put two pictures in the test directory, one is the png format picture 1.png, and the other is the gif format picture 1.gif, as Converted image source.

PHP implements image format conversion

Use the pathinfo() function to determine the format of the image, which is used to adopt different conversion methods for images in different formats. For example, first convert 1.gif into a jpg format image, the code is as follows:

PHP implements image format conversion

## Convert the image source into a jpg format image through the function imagejpeg() and save. The following code converts the 1.gif image into g.jpg and saves it in the same directory.

PHP implements image format conversion

Run the code and view the conversion results.

It can be seen that the conversion of gif format images to jpg images has been successfully implemented.

PHP implements image format conversion

PHP implements image format conversion

Similarly, convert png format images to jpg format images, the code is as follows:

PHP implements image format conversion

#Run the code and view the conversion results.

It can be seen that the png format image has been successfully converted into a jpg image.

PHP implements image format conversion

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