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Home/ Questions/Q 214837
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Editorial Team
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Editorial Team
Asked: May 11, 20262026-05-11T18:24:45+00:00 2026-05-11T18:24:45+00:00

How can I have a 64-bit integer in PHP? It seems like it is

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How can I have a 64-bit integer in PHP?

It seems like it is not by a config file, but rather it might be a compile-time option, and it depends on the platform.

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  1. Editorial Team
    Editorial Team
    2026-05-11T18:24:45+00:00Added an answer on May 11, 2026 at 6:24 pm

    Native 64-bit integers require 64-bit hardware AND the 64-bit version of PHP.

    On 32-bit hardware:

    $ php -r 'echo PHP_INT_MAX;'
    2147483647
    

    On 64-bit hardware:

    $ php -r 'echo PHP_INT_MAX;'
    9223372036854775807
    
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