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get_meta_tags()

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<?php
$array 
get_meta_tags (
    
// string $filename
    
?  // [bool $use_include_path = false]
);
?>
Result
$array = [
  
'viewport' => 'width=device-width, initial-scale=1',
]
Examples
#1 get_meta_tags  ("http://www.example.com/")
See also
htmlentities, urlencode