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过滤问题

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Release： 2016-06-23 14:23:56
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$aa="无极dvd.中文.rmvb";
$aa="无极dvd.中文.rm";
$aa="无极dvd.中文.mp4";

怎样过滤掉.rmvb,.rm,.mp4后缀


回复讨论(解决方案)

$bb = str_replace(array('.rmvb','.rm','.mp4'),'',$aa) 

<?php$a = '无极dvd.中文.mp4';$b = explode('.', $a, -1);echo join('.', $b);?>
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$aa = "无极dvd.中文.rmvb";echo substr($aa, 0, strrpos($aa, '.'));
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无极dvd.中文

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