我要保存導致與循環進入

Question

我要保存導致了與此代碼

$str = ''; 
for($i = 1; $i <= 10; $i++) { 
    $str .= $i;  
} 

$myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); 
$txt = $str . "\n"; 
fwrite($myfile, $txt); 
fclose($myfile); 

進入循環，但結果是

12345678910 

我想要的結果就像是

1 
2 
3 
4 
5 
6 
7 
8 
9 
10 

然後我試着用這個腳本

$str = ''; 
for($i = 1; $i <= 10; $i++) { 
    $str .= $i . "<br>";  
} 

$myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); 
$txt = $str . "\n"; 
fwrite($myfile, $txt); 
fclose($myfile); 

結果就像

1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9<br>10<br> 

任何人都可以幫我解決這個腳本好嗎？

Answer 1

你可能想簡單地添加新行直接在Loop中獲得你想要的東西：

<?php 
     $str = ''; 
     for($i = 1; $i <= 10; $i++) { 
      $str .= $i . PHP_EOL; //<== ADD A NEW LINE AT THE END OF EACH DIGIT 
     } 

     $myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); 
     //$txt = $str . "\n"; //<== YOU WOULDN'T NEED THIS LINE ANYMORE 
     fwrite($myfile, $str); 
     fclose($myfile); 

Answer 2

你必須以這樣的方式來使用新線

嘗試：

$txt = $str.PHP_EOL; 

Answer 3

嘗試添加\ r

$myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); 
$txt = $str . "\r\n"; 
fwrite($myfile, $txt); 
fclose($myfile); 

Answer 4

您只能在文件中保存一個帶有12345678910的變量。如果你用wordwrap保存每一行，它應該工作。就像這樣：

$myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); 

for($i = 1; $i <= 10; $i++) { 
    fwrite($myfile, $i . "\n";); 
} 

fclose($myfile);