> When assigning the value -2147483648 to a variable, the variable becomes a double,
>even though the value is within the range of integers. In fact, assigning -2147483647
>- 1 works, as does using intval("-2147483648").
>
> The following script demonstrates, and can be accessed at
><http://www.randomsample.org/tests/test-int-min.php>.
>
> <?php
> $int_max = 2147483647;
> $int_min = -2147483648;
> $int_min_alt = -2147483647 - 1;
2^31 = 2147483647
If I m not wrong, php code integer on 32bits, 1 bit for the sign, interval will be
-2147483647 (2^31).
As the docs say, double will be used for larger integer values.
pa
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