在PHP中, 我们可以使用unlink()函数删除任何文件。 unlink()函数仅接受一个参数:文件名。它类似于UNIX C unlink()函数。
如果未删除文件, PHP unlink()会生成E_WARNING级错误。如果成功删除文件, 则返回TRUE, 否则返回FALSE。
句法
bool unlink ( string $filename [, resource $context ] )
$ filename表示要删除的文件的名称。
PHP删除文件示例
<?php
$status=unlink('data.txt');
if($status){
echo "File deleted successfully";
}else{
echo "Sorry!";
}
?>
输出
File deleted successfully
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