PHP tmpfile() 函数
PHP 教程
· 2019-01-25 16:44:20
定义和用法
tmpfile() 函数以读写(w+)模式创建一个具有唯一文件名的临时文件。
语法
tmpfile()
提示和注释
注释:临时文件会在文件关闭后(用 fclose())或当脚本结束后自动被删除。
提示:参见 tempnam()。
实例
<?php $temp = tmpfile(); fwrite($temp, "Testing, testing."); //Rewind to the start of file rewind($temp); //Read 1k from file echo fread($temp,1024); //This removes the file fclose($temp); ?>
上面的代码将输出:
Testing, testing.
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