KarelWintersky revised this gist . Go to revision
1 file changed, 3 insertions, 3 deletions
useless_php_optimize.md
| @@ -22,8 +22,8 @@ echo microtime(true) - $start. PHP_EOL. PHP_EOL; | |||
| 22 | 22 | ``` | |
| 23 | 23 | ||
| 24 | 24 | Итак: | |
| 25 | - | `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
| 26 | - | `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
| 27 | - | `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
| 25 | + | - `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
| 26 | + | - `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
| 27 | + | - `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
| 28 | 28 | ||
| 29 | 29 | ||
KarelWintersky revised this gist . Go to revision
1 file changed, 29 insertions
useless_php_optimize.md(file created)
| @@ -0,0 +1,29 @@ | |||
| 1 | + | Всё проверяем в консоли (то есть без OPCache) с помощью кода: | |
| 2 | + | ||
| 3 | + | ```php | |
| 4 | + | const LIM = 1_000_000_000; | |
| 5 | + | ||
| 6 | + | $arr = [ | |
| 7 | + | 'a' => 1, | |
| 8 | + | 'b' => 2 | |
| 9 | + | ]; | |
| 10 | + | ||
| 11 | + | $start = microtime(true); | |
| 12 | + | for ($i = 0; $i < LIM; $i++) { | |
| 13 | + | <test1> | |
| 14 | + | } | |
| 15 | + | echo microtime(true) - $start . PHP_EOL . PHP_EOL; | |
| 16 | + | ||
| 17 | + | $start = microtime(true); | |
| 18 | + | for ($i = 0; $i < LIM; $i++) { | |
| 19 | + | <test1> | |
| 20 | + | } | |
| 21 | + | echo microtime(true) - $start. PHP_EOL. PHP_EOL; | |
| 22 | + | ``` | |
| 23 | + | ||
| 24 | + | Итак: | |
| 25 | + | `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
| 26 | + | `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
| 27 | + | `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
| 28 | + | ||
| 29 | + | ||
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