How to append file after string? php

Question

Ok lets say I have a File called File.txt and it contains

Hello
World
!!!!!

Ok now I have it so they may Post something to add to the string But it has ot be right under the string "Hello". How would I go about doing that ?

Like, always insert at line 2? Or always after the "hello"?

Matchu
– Matchu

2010-02-19 01:53:55 +00:00
Commented Feb 19, 2010 at 1:53 — Matchu
– Matchu, Commented Feb 19, 2010 at 1:53

ghostdog74 · Accepted Answer · 2010-02-19 01:55:13Z

4

$mystring="string to append";
$file="file";
$data = file($file);
foreach ($data as $k=>$v){
    if ( strpos($v,"Hello") !==FALSE){
        $data[$k]=$data[$k] . "$mystring\n";
    }
}
file_put_contents($file,$data);

answered Feb 19, 2010 at 1:55

ghostdog74

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1 Comment

H4cKL0rD Over a year ago

I agree This is very good Thank you Very much! +1 Great example

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