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Home/ Questions/Q 951421
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T23:44:05+00:00 2026-05-15T23:44:05+00:00

I need to compare a very large number in php (30 digits long) with

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I need to compare a very large number in php (30 digits long) with 2 numbers in my database. Whats a good way to do this? I tried using floats but its not precise enough and I don’t know of a good way to use large numbers in php.

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  1. Editorial Team
    Editorial Team
    2026-05-15T23:44:05+00:00Added an answer on May 15, 2026 at 11:44 pm

    Have you tried using string comparison? Just make sure every number is padded with zeroes.

    mysql> select "123123123123123123456456456"<"123123123123123123456456457";
    +-------------------------------------------------------------+
    | "123123123123123123456456456"<"123123123123123123456456457" |
    +-------------------------------------------------------------+
    |                                                           1 | 
    +-------------------------------------------------------------+
    

    Justed test this up to 200+ chars, works like a charm.

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