Test: is_float vs. Float Casting

Cast vs is_float

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Result: Discarded

The test labeled "is_float" was the faster by 0.0195 seconds, (1.849% faster)

is_float 100%

Casting 98.151%

The is_float test took 1.0354 seconds.
The Casting test took 1.0549 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 255,594 loops for a total of 5,111,880 runs.

Line execution difference (0.000004) milliseconds.
Avg difference (0.975) milliseconds per 255,594 loops.
Total difference 19.51 milliseconds for 5,111,880 loops

The iteration variablity for Code 1 was (2.6540) milliseconds and Code 2 was (3.7573) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "is_float", was:

$a = is_float($GLOBALS['test']);

The second test, "Casting", was:

$a = (float) $GLOBALS['test'] === $GLOBALS['test'];

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