php编程实现追加内容到txt文件中的方法

$filename="aa/a.txt";$handle=fopen($filename,"w");$str=fwrite($handle,"test");fclose($handle);

testtesttesttesttesttesttest

$filename="aa/a.txt";$handle=fopen($filename,"a+");$str=fwrite($handle,"test/n");fclose($handle);

testtesttesttesttesttesttest

$lines=file("db.txt");foreach ($lines as $value) {$line=explode(",",$value);echo "no1:$line[0]--no2:$line[1]---time:$line[2]-<br>";}