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run code in 200+ php & hhvm versions
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<?php var_dump(pathinfo('antonello.jj.jpg'));
based on vFeW6
Output for 5.2.0 - 7.2.0
array(4) { ["dirname"]=> string(1) "." ["basename"]=> string(16) "antonello.jj.jpg" ["extension"]=> string(3) "jpg" ["filename"]=> string(12) "antonello.jj" }
Output for 4.3.0 - 5.1.6
array(3) { ["dirname"]=> string(1) "." ["basename"]=> string(16) "antonello.jj.jpg" ["extension"]=> string(3) "jpg" }