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PHP mt_srand() - Math Functions
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Tutorials » Php »
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Topic |
What is mt_srand Function?
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Explanation |
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The mt_srand() function seeds the random number generator for mt_rand().This function should be called
only once, and should be called before mt_rand() function.
Syntax:
mt_srand(seed)
In the above syntax "seed" specifies a seed number to the function to generate a random number.
Example:
<?php
mt_srand(mktime());
echo(mt_rand());
?>
Result:
1231655472
In the above example the seed is given as a function mktime(), the random values are returned based on
that.
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A Note |
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