You can’t put a php var, for example $url
, in a string in this manner:
file_get_contents( "http://example.com/wp-content/themes/themename/download/$url/count.txt" );
You can use get_template_directory_uri to return the url to the current theme directory. For example:
$url = get_template_directory_uri() . '/download/count.txt';
echo file_get_contents( $url );
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