PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: time vs. strtotime('now')

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Result: Discarded

The test labeled "strtotime('now')" was the faster by 0.0256 seconds, (2.289% faster)

strtotime('now') 100%
time() 97.711%

The strtotime('now') test took 1.0924 seconds.
The time() test took 1.118 seconds.


Each test case ran 20 random code order iterations consisting of 273,645 loops for a total of 5,472,900 runs.

  • Line execution difference (0.000005) milliseconds.
  • Avg difference (1.280) milliseconds per 273,645 loops.
  • Total difference 25.59 milliseconds for 5,472,900 loops

The iteration variablity for Code 1 was (6.9615) milliseconds and Code 2 was (5.5856) 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 (