课后作业aa
<?php function checkLastName($fileName){ return substr($fileName, strripos($fileName, '.')+1,strlen($fileName)-1); } echo checkLastName('ads.asd.we.html');
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<?php function checkLastName($fileName){ return substr($fileName, strripos($fileName, '.')+1,strlen($fileName)-1); } echo checkLastName('ads.asd.we.html');
2018-01-27
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