Replace multiple occurrence of words in string PHP

Question

I just want to replace the following string:

This is my first sentence.
.:.
This is my second sentence.
.:.
This is my third sentence.
.:.

The output should be like:

This is my first sentence.
1
This is my second sentence.
2
This is my third sentence.
3

How can I do it in more efficient and easy way?

Take a look here preg_replace_callback. Can you get the idea? — David Rodrigues
– David Rodrigues, Commented Nov 28, 2011 at 16:19

Wrikken · Accepted Answer · 2011-11-28 16:22:51Z

2

echo preg_replace_callback("/@/",
    function(){static $count=0; return ++$count;},
    "A@B@C@");

answered Nov 28, 2011 at 16:22

Wrikken

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4 Comments

fawad Over a year ago

All sentences are stored in $string. Should i replace "A@B@C@" with $string?

Wrikken Over a year ago

Yep, and the "/@/" with the actual pattern you are replacing.

fawad Over a year ago

I have tried it but it is not working. preg_replace_callback(".:.", function(){static $count=0; return ++$count;}, $Product_description);

Wrikken Over a year ago

That would be a pattern with . as delimiters.... and matching all literal :'s.... I doubt that is what you want. If you are having trouble creating the proper regex, I suggest posing it as a new question.

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