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 0.0423 seconds, (4.010% faster)

time() 100%
strtotime('now') 95.99%

The time() test took 1.0113 seconds.
The strtotime('now') test took 1.0535 seconds.


Each test case ran 20 random code order iterations consisting of 248,625 loops for a total of 4,972,500 runs.

  • Line execution difference (0.000008) milliseconds.
  • Avg difference (2.113) milliseconds per 248,625 loops.
  • Total difference 42.25 milliseconds for 4,972,500 loops

The iteration variablity for Code 1 was (4.9895) milliseconds and Code 2 was (5.9791) 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 (