有哪些特别的数组方法？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

使用传递的数组递归替换第一个数组的元素 array_replace_recursive

$base = array('citrus' => array( "orange") , 'berries' => array("blackberry", "raspberry"), );$replacements = array('citrus' => array('pineapple'), 'berries' => array('blueberry'));$basket = array_replace_recursive($base, $replacements);

带索引检查计算数组的交集，用回调函数比较索引 array_intersect_uassoc

$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");print_r(array_intersect_uassoc($array1, $array2, "strcasecmp"));

递归地合并一个或多个数组 array_merge_recursive

$ar1 = array("color" => array("favorite" => "red"), 5);\$ar2 = array(10, "color" => array("favorite" => "green", "blue"));\$result = array_merge_recursive($ar1, $ar2);

使用传递的数组递归替换第一个数组的元素 array_replace_recursive

$base = array('citrus' => array( "orange") , 'berries' => array("blackberry", "raspberry"), );$replacements = array('citrus' => array('pineapple'), 'berries' => array('blueberry'));$basket = array_replace_recursive($base, $replacements);print_r($basket);\

将一个线性数组转换为一个树，或者多维数组

function array_stack (&$a, $p = '@parent', $c = '@children') { $l = $t = array(); foreach ($a AS $key => $val): if (!$val[$p]) $t[$key] =& $l[$key]; else $l[$val[$p]][$c][$key] =& $l[$key]; $l[$key] = (array)$l[$key] + $val; endforeach; return $a = array('tree' => $t, 'leaf' => $l); } $node = array(); $node[1] = array('@parent' => 0, 'title' => 'I am node 1.'); $node[2] = array('@parent' => 1, 'title' => 'I am node 2.'); $node[3] = array('@parent' => 2, 'title' => 'I am node 3.'); $node[4] = array('@parent' => 1, 'title' => 'I am node 4.'); $node[5] = array('@parent' => 4, 'title' => 'I am node 5.'); print_r(array_stack($node));

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