Created
November 10, 2018 18:08
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| <?php | |
| $array = range(0, 19); | |
| luck($array, 0.1, function(int $element) : void{ | |
| echo "*** jack pot / $element / with 0.1\n"; | |
| }); | |
| luck($array, 0.9, function(int $element) : void{ | |
| echo "* $element / with 0.9\n"; | |
| }); | |
| luck($array, null, function(int $element) : void{ | |
| echo "\t$element not processed!\n"; | |
| }); | |
| function luck(array &$array, ?float $percent, callable $callback){ | |
| if($percent === null){ | |
| foreach($array as $value) $callback($value); | |
| return; | |
| } | |
| $keys = array_rand($array, $count = (int) count($array) * $percent); | |
| shuffle($keys); | |
| foreach($keys as $key){ | |
| $callback($array[$key]); | |
| unset($array[$key]); | |
| } | |
| } |
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