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PHP : Function Reference : GMP Functions : gmp_scan1

gmp_scan1

Scan for 1 (PHP 4 >= 4.0.4, PHP 5)
int gmp_scan1 ( resource a, int start )

Example 811. gmp_scan1() example

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<?php
// "1" bit is found at position 3. index starts at 0
$s1 = gmp_init("01000", 2);

echo gmp_scan1($s1, 0) . "\n";

// "1" bit is found at position 9. index starts at 5
$s2 = gmp_init("01000001111", 2);

echo gmp_scan1($s2, 5) . "\n";
?>

The above example will output:

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3

9

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