PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: == vs. === (different types with cast)

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Historical Results

Based on (1) saved test runs, The test labeled "==" was (on average) the faster by 0.0141 seconds, (1.398% faster)

== 100%
=== 98.602%

The == test took 0.9935 seconds.
The === test took 1.0076 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 282,017 loops for a total of 5,640,340 runs.

  • Line execution difference (0.000002) milliseconds.
  • Avg difference (0.000) milliseconds per 282,017 loops.
  • Total difference 14.09 milliseconds for 5,640,340 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.

Code

The first test, "==", was:

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy3'] = $GLOBALS['dummy1'] == $GLOBALS['dummy2'];

The second test, "===", was:

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy3'] = (int) $GLOBALS['dummy1'] === (int) $GLOBALS['dummy2'];

Running: Linux (x86_64:1 GB) PHP (7.2.15-1+ubuntu16.04.1+deb.sury.org+1)