How can I add commas to numbers in PHP

Question

I would like to know how can I add comma\'s to numbers. To make my question simple.

I would like to change this:

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To:

Answer 1

The Following code is working for me, may be this is helpful to you.

$number = 1234.56;

echo number_format($number, 2, '.', ',');

//1,234.56