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| <?php | |
| header('Content-Type: text-plain'); | |
| $value_compare_func = function ($a, $b) { | |
| var_dump('a=' . $a. '; b=' . $b); | |
| if (strpos($b, '/') === 0) { | |
| return preg_match($b, $a) > 0 ? 0 : -1; | |
| } | |
| if ($a == $b) { | |
| $weight = 0; | |
| } else if ($a > $b) { | |
| $weight = 1; | |
| } else { | |
| $weight = -1; | |
| } | |
| var_dump('literal comparison: ' . $weight); | |
| return $weight; | |
| }; | |
| $foo = ['aab' => '', 'bbb' => '', 'ccb' => '', 'abb' => '']; | |
| $bar = ['/[a-z]b[a-z]/' => '']; | |
| $buz = ['/c[a-z][a-z]/' => '']; | |
| echo PHP_EOL . 'array_intersect_ukey' . PHP_EOL . PHP_EOL; | |
| $subject = array_intersect_ukey ($foo, $bar, $buz, $value_compare_func); | |
| echo PHP_EOL; | |
| var_dump($subject); | |
| echo PHP_EOL . '_array_intersect_ukey' . PHP_EOL . PHP_EOL; | |
| $subject = _array_intersect_ukey($foo, $bar, $buz, $value_compare_func); | |
| echo PHP_EOL; | |
| var_dump($subject); | |
| /** | |
| * @author Gajus Kuizinas <[email protected]> | |
| * @version 1.0.0 (2013 09 30) | |
| */ | |
| function _array_intersect_ukey (array $arr1, array $arr2, $value_compare_func) { | |
| $arr_matched = []; | |
| $arr_unmatched = []; | |
| $args = func_get_args(); | |
| $value_compare_func = end($args); | |
| foreach ($arr1 as $k1 => $v1) { | |
| foreach ($arr2 as $k2 => $v2) { | |
| $diff = $value_compare_func($k1, $k2); | |
| //var_dump('k1=' . $k1 . ', k2=' . $k2 . ', diff=' . $diff); | |
| if ($diff === 0) { | |
| $arr_matched[$k1] = $v1; | |
| } else { | |
| $arr_unmatched[$k1] = $v1; | |
| } | |
| } | |
| } | |
| if (count($args) <= 3) { | |
| return $arr_matched; | |
| } | |
| array_splice($args, 0, 2, [$arr_unmatched]); | |
| return array_merge($arr_matched, call_user_func_array('_array_intersect_ukey', $args)); | |
| } | |
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