我想读取a.txt中第二个$,到第三个$之间的数据怎么弄谢谢了!!!
------解决方案--------------------
$fp = fopen('filename', 'r');
$num = 0;
$s = '';
while($ch = fgetc($fp)) {
if($ch == '$') {
$num++;
if($num > 2) break;
}elseif($num == 2) $s .= $ch;
}
echo $s;
$fp = fopen('filename', 'r');
$num = 0;
$s = '';
while($ch = fgetc($fp)) {
if($ch == '$') {
$num++;
if($num > 2) break;
}elseif($num == 2) $s .= $ch;
}
echo $s;