PHP copy() 函数

将 "source.txt" 复制到 "target.txt"：

<?php
echo copy("source.txt","target.txt");
?>

定义和用法

copy() 函数复制文件。

笔记：如果到文件文件已存在，它将被覆盖。

copy( from_file, to_file, context)

Parameter	Description
from_file	Required. Specifies the path to the file to copy from
to_file	Required. Specifies the path to the file to copy to
context	Optional. Specifies a context resource created with stream_context_create()