Test: exec vs. shell

Test: exec vs. shell_exec

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Result: Discarded

The test labeled "shell_exec()" was the faster by 0.0007 seconds, (0.105% faster)

shell_exec() 100%

exec() 99.895%

The shell_exec() test took 0.6432 seconds.
The exec() test took 0.6439 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 146,461 loops for a total of 2,929,220 runs.

Line execution difference (0.000000) milliseconds.
Avg difference (0.034) milliseconds per 146,461 loops.
Total difference 0.68 milliseconds for 2,929,220 loops

The iteration variablity for Code 1 was (3.5197) milliseconds and Code 2 was (4.7165) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

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

exec('ls');

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

shell_exec('ls');

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