PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: is_float vs. Float Casting

Cast vs is_float

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Historical Results

Based on (2) saved test runs, The test labeled "Casting" was (on average) the faster by 0.0154 seconds, (1.516% faster)

Casting 100%
is_float 98.484%

The Casting test took 1.0029 seconds.
The is_float test took 1.0183 seconds.


Each test case ran 20 random code order iterations consisting of 205,678 loops for a total of 4,113,560 runs.

  • Line execution difference (0.000004) milliseconds.
  • Avg difference (0.000) milliseconds per 205,678 loops.
  • Total difference 15.43 milliseconds for 4,113,560 loops

The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) milliseconds. The lower and the closer together there values are the more accurate the results are.


The first test, "is_float", was:

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

The second test, "Casting", was:

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

Running: Linux (x86_64:1 GB) PHP (