php汉字组合算法,php数组组合算法

1. [PHP]代码<?php

function combination(){

$array = array();

$arguments = func_get_args();

foreach($arguments as $argument){

if(is_array($argument) === true){

$array[] = $argument;

}else{

$array[] = array($argument);

}

}

$size = count($array);

if($size === 0){

return array();

}else if($size === 1){

return is_array($array[0]) === true ? $array[0] : array();

}else{

$result = array();

$a = $array[0];

array_shift($array);

if(is_array($array) === false){

return $result;

}

foreach($a as $val){

$b = call_user_func_array("combination", $array);

foreach($b as $c){

if(is_array($c) === true){

$result[] = array_merge(array($val), $c);

}else{

$result[] = array($val, $c);

}

}

}

return $result;

}

}

print_r(combination(array("A1", "A2"), array("B1", "B2"), "1", array("C1", "C2", "C3")));

?>

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