如何用PHP读取TXT文件并且修改
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/**
* 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");
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