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PHP srand() - Math Functions
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Tutorials » Php »
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Topic |
What is srand Function?
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Explanation |
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The "srand()" function seeds a random number to the random number generator rand(). This function should be called
only once, and should be called before the rand() function.
Syntax:
srand(seed)
In the above syntax "seed" is the optional value which can be a random number seed.
Example:
<?php
srand(mktime());
echo(rand());
?>
Result:
15067
In the above example the seed value is provided using the function mktime(), then a random number is generated.
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A Note |
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