Developer Sandbox
Even number identifier
This function accepts an integer number and returns true or false depending on whether it is an even number. Find distance between two geographical points
This function takes two sets of indices representing the latitude and longitude of two points anywhere within the world. Distance converter
Convert from kilometers to miles. Matrix math class
This class allows you to apply simple mathematical operators to a set of matrices. The greatest common divisor
The greatest common divisor of two non-zero integers, is the largest positive integer that divides both numbers without remainder, a and b is written as gcd(a, b). Calculate VAT on a given numerical value
Call this function to add VAT onto a given price. Calculate how long it takes to execute a script
While developing complex PHP applications, it is important to ensure that execution times of a script are prompt and that there is not excessive lag during execution.
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