PHP - Math log10() Function
The PHP Math log10() function returns the base-10 logarithm of a given number.
Syntax
log10(number)
Parameters
number |
Required. Specify the number. |
Return Value
Returns the base-10 logarithm of a given number.
Example:
In the below example, log10() function is used to calculate the base-10 logarithm of a given number.
<?php $x = 10; $y = 50; $z = 100; echo "log10($x) equal to: ".log10($x)."\n"; echo "log10($y) equal to: ".log10($y)."\n"; echo "log10($z) equal to: ".log10($z)."\n"; ?>
The output of the above code will be:
log10(10) equal to: 1 log10(50) equal to: 1.698970004336 log10(100) equal to: 2
❮ PHP Math Functions