Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
208 views
in Technique[技术] by (71.8m points)

php - Looping and echoing a specific line comes out as blank?

There is a text file that my PHP script is meant to loop through. It is meant to echo only lines that are not end.

This is how my text file looks like:

https://i.stack.imgur.com/5gil5.png

This is my PHP script:

<?php
   $contents = file("combo.txt");

   foreach($contents as $line) {
     if ($line !== "end") {
       break;
       echo $line;
     }
   }
?>

I'm confused why it echoes blank spaces. Could someone help me out?

question from:https://stackoverflow.com/questions/65902692/looping-and-echoing-a-specific-line-comes-out-as-blank

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

just try this

<?php
$contents = file("combo.txt");

foreach($contents as $line) {
  $line = str_replace("
", "", $line);;
  if ($line != "end") {
    echo $line; 
    break;
  }
}
?>

output

1

I change the place of the echo with break
You should first echo what you want and then break it
And if you look at the $line there is one so I remove it and it work now


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...