PHP log10()Functions
Examples
Returns the base-10 logarithm of different numbers:
<?php
echo(log10(2.7183) . "<br>");
echo(log10(2) . "<br>");
echo(log10(1) . "<br>");
echo(log10(0));
?>
echo(log10(2.7183) . "<br>");
echo(log10(2) . "<br>");
echo(log10(1) . "<br>");
echo(log10(0));
?>
Run example »
Definition and Usage
The log10() function returns the base-10 logarithm of a number.
Syntax
log10(number);
| Parameter | Description |
|---|---|
| number | Required. Specifies the value whose logarithm is to be calculated. |
Technical Details
| Return value: | numberthe base-10 logarithm of. |
|---|---|
| Return type: | Float |
| PHP version: | 4+ |
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