PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: time vs. strtotime('now')

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Historical Results

Based on (4) saved test runs, The test labeled "time()" was (on average) the faster by 0.0069 seconds, (1.057% faster)

time() 100%
strtotime('now') 98.943%

The time() test took 0.6478 seconds.
The strtotime('now') test took 0.6547 seconds.


Each test case ran 20 random code order iterations consisting of 175,440 loops for a total of 3,508,805 runs.

  • Line execution difference (0.000002) milliseconds.
  • Avg difference (0.000) milliseconds per 175,440 loops.
  • Total difference 6.92 milliseconds for 3,508,805 loops

The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) 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 (