PHP Swoole异步读取、写入文件操作示例

异步读取文件：swoole_async_readfile文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

异步写入文件：swoole_async_writefile文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

【示例】文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

读取文件 readfile.php：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

1. <?php
2. $res = swoole_async_readfile(__DIR__."/1.txt",function($filename,$content) {
3. echo "文件名：{$filename} 内容：{$content}\n";
4. });
5. echo "读取文件\n";
6. var_dump($res);

执行结果：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

写入文件 writefile.php：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

1. <?php
2. $content = date("Ymd H:i:s")."\n";
3. $res = swoole_async_writefile(__DIR__."/1.txt",$content,function($filename) {
4. echo "追加写入{$filename}\n";
5. },FILE_APPEND);
6.  
7. echo "写入文件\n";
8. var_dump($res);

执行结果：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

1.txt：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html

（说明：以上两个函数可读取最大文件为4M，读取大文件使用 swoole_async_read、swoole_async_write）文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/17675.html