PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: === vs. strcmp (fail)

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Result: Discarded

The test labeled "===" was the faster by 0.0344 seconds, (4.205% faster)

=== 100%
strcmp() 95.795%

The === test took 0.7842 seconds.
The strcmp() test took 0.8186 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 119,683 loops for a total of 2,393,660 runs.

  • Line execution difference (0.000014) milliseconds.
  • Avg difference (1.721) milliseconds per 119,683 loops.
  • Total difference 34.42 milliseconds for 2,393,660 loops

The iteration variablity for Code 1 was (6.3392) milliseconds and Code 2 was (6.1069) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "===", was:

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy3'] = $GLOBALS['dummy1'] === $GLOBALS['dummy2'];

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

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy3'] = strcmp($GLOBALS['dummy1'], $GLOBALS['dummy2']) == 0;

Running: Linux (x86_64:1 GB) PHP (7.2.25-1+ubuntu16.04.1+deb.sury.org+1)