PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: file vs. file_get_contents (array)

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Result: Discarded

The test labeled "file_get_contents()" was the faster by 0.0078 seconds, (1.401% faster)

file_get_contents() 100%
file() 98.599%

The file_get_contents() test took 0.5508 seconds.
The file() test took 0.5587 seconds.


Each test case ran 20 random code order iterations consisting of 131,379 loops for a total of 2,627,580 runs.

  • Line execution difference (0.000003) milliseconds.
  • Avg difference (0.391) milliseconds per 131,379 loops.
  • Total difference 7.83 milliseconds for 2,627,580 loops

The iteration variablity for Code 1 was (2.4711) milliseconds and Code 2 was (1.3351) milliseconds. The lower and the closer together there values are the more accurate the results are.


The first test, "file()", was:

$lines = file('supplement/');
foreach ($lines as $line)
	$GLOBALS['dummy2'] = rtrim($line);

The second test, "file_get_contents()", was:

$lines = explode("\n", str_replace(array("\r\n", "\r"), "\n", file_get_contents('supplement/')));
foreach ($lines as $line)
	$GLOBALS['dummy2'] = $line;

Running: Linux (x86_64:1 GB) PHP (