请问如何分行读取文本文件的某行字符

Question

$fp = fopen("001.txt","r");
for($i=0;$i<3;$i++) {
  $buf = fgets($fp,2048);
  echo $buf;
}

Answer 1

$fp = fopen("001.txt","r");
$buf =fread($fp,filesize("001.txt"));
$buf= explode("\n",$buf);
echo $buf[2];

Answer 2

直接$fileArray=file("001.txt");
foreach($fileArray as $lineData)
{
   echo trim($lineData);
}

Answer 3

建议用杜牧的方法：
$fp = fopen("001.txt","r");
$buf =fread($fp,filesize("001.txt"));
$buf= explode("\n",$buf);
echo $buf[2];