Detailed explanation of method examples of obtaining image information in php

getimagesize() Function is used to obtain the image size and related information. It returns an array if successful. If it fails, it returns FALSE and generates an E_WARNING level error message. The following is an example of the getimagesize() function

";
echo "";
?>

Get the image name, pathinfo() function, this can also get the extension of other files.

$a = 'aaaaa.jpg';
print_r(pathinfo($a));

Run result:

Array
(
  [dirname] => .
  [basename] => aaaaa.jpg
  [extension] => jpg
  [filename] => aaaaa
)

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