PHP implements a method to determine whether a page or image has been compressed by gzip

The following editor will bring you a PHP method to determine whether a page or image has been compressed by gzip. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look

Use php to determine whether the page or image has been compressed by gzip

1. Use get_headers

Page content

'one','value'=>1),
 array('name'=>'two','value'=>2),
 array('name'=>'three','value'=>3)
);

header('content-type:application/json');
echo json_encode($data);
?>

Use get_headers to determine whether to use gzip compression

Test results:

When ob_gzhandler is added, true is returned, false is returned after deletion

2. Use curl

Picture

Use curl to determine whether to use gzip compression

Test results:

When ob_gzhandler is added, true is returned, false is returned after deletion

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