php使用post方式获得文件扩展名，_PHP教程
- WBOY原創
- 2016-07-13 16:53:57957瀏覽
php使用post方式获得文件扩展名，
<form action="" method="post">
<input type="file" value="" name="file" size="20">
<input type="submit" value="check">
</form>
<?<span>php
</span><span>header</span>("Content-type:text/html;charse=utf8"<span>);
</span><span>if</span>(<span>isset</span>(<span>$_POST</span>['file'<span>])){
</span><span>$pic</span> = <span>$_POST</span>['file'<span>];
</span><span>$pics</span> = <span>explode</span>(".", <span>$pic</span><span>);
</span><span>echo</span> "上传文件的扩展名为：".<span>$pics</span>[<span>count</span>(<span>$pics</span>)-1<span>];
}
</span>?>
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