sodium_compare

(PHP 7 >= 7.2.0, PHP 8)

sodium_compare — Compare large numbers

说明

sodium_compare(#[\SensitiveParameter] string $string1, #[\SensitiveParameter] string $string2): int

Compare two strings as if they were arbitrary-length, unsigned little-endian integers, without side-channel leakage.

参数

string1

Left operand

string2

Right operand

返回值

Returns -1 if string1 is less than string2.

Returns 1 if string1 is greater than string2.

Returns 0 if both strings are equal.

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