| 1 | | @johnbillion . I tried putting the `judge` functions one above another and the results are pretty similar. Please have a look at the screenshot. |
| 2 | | |
| 3 | | [[Image(https://raw.githubusercontent.com/rnaby/screenshots/master/Screenshot-2018-04-29-10%3A44%3A20-001.png)]] |
| 4 | | |
| 5 | | Here is the testing script- |
| 6 | | |
| 7 | | |
| 8 | | {{{ |
| 9 | | <?php |
| 10 | | |
| 11 | | function _reset( $array ) { |
| 12 | | return reset($array); |
| 13 | | } |
| 14 | | |
| 15 | | function _foreach( $array ) { |
| 16 | | foreach( $array as $el ) { |
| 17 | | return $el; |
| 18 | | } |
| 19 | | } |
| 20 | | |
| 21 | | function judge($array, $method) { |
| 22 | | $loop = 10000; |
| 23 | | |
| 24 | | $time = microtime(true); |
| 25 | | |
| 26 | | for ($i = 0; $i < $loop; ++$i) { |
| 27 | | $temp = $method($array); |
| 28 | | } |
| 29 | | |
| 30 | | $time = microtime(true) - $time; |
| 31 | | |
| 32 | | echo implode(PHP_EOL, [ |
| 33 | | $method.':', |
| 34 | | " Time: {$time}s", |
| 35 | | " Result: {$temp}", |
| 36 | | '', |
| 37 | | '', |
| 38 | | ]); |
| 39 | | } |
| 40 | | |
| 41 | | $a = []; |
| 42 | | |
| 43 | | $index = 0; |
| 44 | | |
| 45 | | for ($i = 0; $i < 10000; ++$i) { |
| 46 | | $index += rand(1, 5); |
| 47 | | |
| 48 | | $a[$index] = substr(md5(rand()), 0, rand(3, 7)); |
| 49 | | } |
| 50 | | |
| 51 | | judge($a, '_foreach'); |
| 52 | | judge($a, '_reset'); |
| 53 | | }}} |