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 0.0316 seconds, (5.396% faster)

time() 100%
strtotime('now') 94.604%

The time() test took 0.5536 seconds.
The strtotime('now') test took 0.5851 seconds.


Each test case ran 20 random code order iterations consisting of 124,156 loops for a total of 2,483,120 runs.

  • Line execution difference (0.000013) milliseconds.
  • Avg difference (1.579) milliseconds per 124,156 loops.
  • Total difference 31.57 milliseconds for 2,483,120 loops

The iteration variablity for Code 1 was (1.6861) milliseconds and Code 2 was (1.8453) 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 (