<?php $array = array('Alpha', 'Beta', 'Gamma', 'Sigma'); function depth_picker($arr, $temp_string...
PHP一维数组随机取1个,2个,3个,4个元素的组合不重复的所有情况(组合次选)
<?php $arr = array('a','b','c','d'); $result = array(); $t = getCombinationToString($arr, 1); pri...