Write text between two text strings in PHP

Question

Lets say I have this data in a file (externalfile.txt)

#1#First#/1#
#2#Something#/2#

#end#

I want to write text between #/2# and #end#, How to do this?

I realise this might be due to a language barrier, but the words please and thank you might get you further. — BenOfTheNorth
– BenOfTheNorth, Commented Aug 26, 2012 at 9:10

The Alpha · Accepted Answer · 2012-08-26 09:29:27Z

3

Not sure if it's the proper way but you may take a look

$newval='new text';
$file_contents = file_get_contents('externalfile.txt');
file_put_contents('externalfile.txt', preg_replace("/#\/2#/", "#/2#\n$newval\n", $file_contents));

It works, anyway.

edited Aug 26, 2012 at 9:29

answered Aug 26, 2012 at 9:23

The Alpha

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1 Comment

The Alpha Over a year ago

Thanks, I was a bit confused :-)

Stano · Accepted Answer · 2012-08-26 09:21:18Z

1

This PHP code inserts a new text right before the last occurence of the #end# string:

$str = file_get_contents('file.txt');
$splitted = explode('#end#',$str);
$pos = count($splitted)-2;
$splitted[$pos] .= 'new text';
$str = implode('#end#',$splitted);
echo $str;

answered Aug 26, 2012 at 9:21

Stano

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