Alex Deem Alex Deem - 2 months ago 11
PHP Question

Maximum float value in php

Is there a way to programmatically retrieve the maximum float value for php. Akin to

FLT_MAX
or
std::numeric_limits< float >::max()
in C / C++?

I am using something like the following:

$minimumCost = MAXIMUM_FLOAT_VALUE??;

foreach ( $objects as $object )
{
$cost = $object->CalculateCost();
if ( $cost < $minimumCost )
{
$minimumCost = $cost;
}
}


(using php 5.2)

Answer

The float maximum is platform-dependant, and even though it could be useful to get it, there seems to be no (simple) way to get it. You can however use the INF (infinite) constant, which will be bigger than any other value you can ever put in a numeric type, if the goal is only to have a huge placeholder value.

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