PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: (int) vs. intval

the semantic difference here is only that intval() can convert bases, whereas (int) cannot.

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Result: Discarded

The test labeled "(int)" was the faster by 0.0131 seconds, (2.146% faster)

(int) 100%
intval() 97.854%

The (int) test took 0.5955 seconds.
The intval() test took 0.6086 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 151,679 loops for a total of 3,033,580 runs.

  • Line execution difference (0.000004) milliseconds.
  • Avg difference (0.653) milliseconds per 151,679 loops.
  • Total difference 13.06 milliseconds for 3,033,580 loops

The iteration variablity for Code 1 was (1.3207) milliseconds and Code 2 was (1.6811) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "(int)", was:

for ($j = 0; $j < 100; $j++)
	$i = (int) '42 ';

The second test, "intval()", was:

for ($j = 0; $j < 100; $j++)
	$i = intval('42 ');

Running: Linux (x86_64:1 GB) PHP (7.2.15-1+ubuntu16.04.1+deb.sury.org+1)