gmp_cmp
gmp_cmp
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_cmp — Compare numbers
Description
int gmp_cmp ( GMP $a , GMP $b )
Compares two numbers.
Parameters
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a
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Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
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b
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Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
Return Values
Returns a positive value if a > b, zero if a = b and a negative value if a < b.
Examples
Example #1 gmp_cmp() example
<?php $cmp1 = gmp_cmp("1234", "1000"); // greater than $cmp2 = gmp_cmp("1000", "1234"); // less than $cmp3 = gmp_cmp("1234", "1234"); // equal to echo "$cmp1 $cmp2 $cmp3\n"; ?>
The above example will output:
1 -1 0
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https://secure.php.net/manual/en/function.gmp-cmp.php