<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str = fread($fp,filesize($file_path));//指定讀取大小，這里把整個文件內(nèi)容讀取出來
echo $str = str_replace("\r\n","<br />",$str);
}
?>

<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$str = file_get_contents($file_path);//將整個文件內(nèi)容讀入到一個字符串中
$str = str_replace("\r\n","<br />",$str);
echo $str;
}
?>

<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str = "";
$buffer = 1024;//每次讀取 1024 字節(jié)
while(!feof($fp)){//循環(huán)讀取，直至讀取完整個文件
$str .= fread($fp,$buffer);
} 
$str = str_replace("\r\n","<br />",$str);
echo $str;
}
?>

<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$file_arr = file($file_path);
for($i=0;$i<count($file_arr);$i++){//逐行讀取文件內(nèi)容
echo $file_arr[$i]."<br />";
}
/*
foreach($file_arr as $value){
echo $value."<br />";
}*/
}
?>

<?php
$file_path = "test.txt";
if(file_exists($file_path)){
$fp = fopen($file_path,"r");
$str ="";
while(!feof($fp)){
$str .= fgets($fp);//逐行讀取。如果fgets不寫length參數(shù)，默認(rèn)是讀取1k。
}
$str = str_replace("\r\n","<br />",$str);
echo $str;
}
?>