/** * 读文件**/function read_file($filename){
$fp = fopen($filename, "r") or die("couldn't open $filename");
$read = fread($fp, filesize($filename));
fclose($fp);
return $read;}/** * 写文件**/function write_file($filename, $buffer){
$fp = fopen($filename, "w") or die("couldn't open $filename");
flock( $fp, LOCK_EX );
$write = fputs($fp, $buffer);
flock( $fp, LOCK_UN );
fclose($fp);
return true;}/** * 修改(只是追加内容)**/function append_to_file($filename, $buffer){
$fp = fopen($filename, "a") or die("couldn't open $filename");
flock( $fp, LOCK_EX );
fputs($fp, $buffer);
flock( $fp, LOCK_UN );
fclose($fp);
return true;}/** * 测试**/$str = read_file('test.txt');echo $str;write_file('test2.txt', $str);append_to_file('test2.txt', "ABCD");其实，读文件有更简便的方法，你可以看看 file 和 file_get_contents 函数。 写文件也有现成的 file_ put_ contents 函数。
|
