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 0.0368 seconds, (6.291% faster)

time() 100%
strtotime('now') 93.709%

The time() test took 0.5475 seconds.
The strtotime('now') test took 0.5842 seconds.


Each test case ran 20 random code order iterations consisting of 135,507 loops for a total of 2,710,140 runs.

  • Line execution difference (0.000014) milliseconds.
  • Avg difference (1.838) milliseconds per 135,507 loops.
  • Total difference 36.76 milliseconds for 2,710,140 loops

The iteration variablity for Code 1 was (1.8551) milliseconds and Code 2 was (3.0873) 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 (