PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: time vs. strtotime('now')

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Result: Discarded

The test labeled "time()" was the faster by 0.0964 seconds, (8.405% faster)

time() 100%
strtotime('now') 91.595%

The time() test took 1.0507 seconds.
The strtotime('now') test took 1.1471 seconds.


Each test case ran 20 random code order iterations consisting of 268,995 loops for a total of 5,379,900 runs.

  • Line execution difference (0.000018) milliseconds.
  • Avg difference (4.821) milliseconds per 268,995 loops.
  • Total difference 96.41 milliseconds for 5,379,900 loops

The iteration variablity for Code 1 was (4.9217) milliseconds and Code 2 was (8.4032) milliseconds. The lower and the closer together there values are the more accurate the results are.


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

for ($i = 0; $i < 100; $i++)
	$GLOBALS['dummy'] = time();

The second test, "strtotime('now')", was:

for ($i = 0; $i < 100; $i++)
	$GLOBALS['dummy'] = strtotime('now');

Running: Linux (x86_64:1 GB) PHP (