Php 具有相同多个值的数组
我编写了以下代码片段:Php 具有相同多个值的数组,php,arrays,Php,Arrays,我编写了以下代码片段: $a = array('X', 'X', 'X', 'O', 'O', 'O'); $rk = array_rand($a, 3); $l = $a[$rk[0]].$a[$rk[1]].$a[$rk[2]]; if($l == 'OOO' || $l == 'XXX'){ echo $l . 'Winner'; } else { echo = $l . 'Loser'; } 在数组中,你会注意到相同值的倍数,这是因为三个值是随机选择的,如果匹
$a = array('X', 'X', 'X', 'O', 'O', 'O');
$rk = array_rand($a, 3);
$l = $a[$rk[0]].$a[$rk[1]].$a[$rk[2]];
if($l == 'OOO' || $l == 'XXX'){
echo $l . 'Winner';
} else {
echo = $l . 'Loser';
}
在数组中,你会注意到相同值的倍数,这是因为三个值是随机选择的,如果匹配,你就会赢(这是一个基本游戏)
我的问题是,如何在不必在数组中添加相同值的倍数的情况下对其进行编码
更新:
对亚尼克·罗森问题的答复
目前的阵列是:
$a = array('X', 'X', 'X', 'O', 'O', 'O');
有可能以某种方式使它成为公正的
$a = array('X', 'O');
仍然返回3个值?您的意思是这样的
$letter = false;
$winner = true;
foreach($rk as $key)
{
if($letter === false) $letter = $a[$key];
elseif($a[$key] != $letter) $winner = false;
}
if($winner) echo 'Winner';
else echo 'Loser';
$num=3;
$unique_vals=数组('X','O');
$a=数组();
foreach($unique\u vals作为$val)
{
对于($i=0;$i<$num;$i++)
{
$a[]=$val;
}
}
带有基本兰德:
<?php
$a = array('X', 'O', 'R');
$size = count($a)-1;
$l = $a[rand(0,$size)].$a[rand(0,$size)].$a[rand(0,$size)];
if($l == 'OOO' || $l == 'XXX'){
echo $l . ' Winner';
} else {
echo $l . ' Loser';
}
?>
具有XXX或OOO或RRR win的版本:
<?php
$a = array('X', 'O', 'R');
$size = count($a)-1;
$l = $a[rand(0,$size)].$a[rand(0,$size)].$a[rand(0,$size)];
if($l === 'OOO' || $l === 'XXX' || $l === 'RRR'){
echo $l . ' Winner';
} else {
echo $l . ' Loser';
}
?>
要按程序创建整个程序,下面是一段代码片段。你可以测试一下
函数随机数组($multiple,$length=4){
如果($length count($mable)
。例如,此调用randomary(1,27)
将失败,脚本将无限期运行。正如您所知:)您能给出一个“可接受”数组的示例吗?您的意思是数组('X','X','X','X','O','O')
是不可接受的,但数组('X','X','A','B','C'))
会是什么?在测试中,我得到了胜利和失败,但我确实编辑了它,将其包括在if RRR中。
<?php
$a = array('X', 'O', 'R');
$size = count($a)-1;
$l = $a[rand(0,$size)].$a[rand(0,$size)].$a[rand(0,$size)];
if($l === 'OOO' || $l === 'XXX' || $l === 'RRR'){
echo $l . ' Winner';
} else {
echo $l . ' Loser';
}
?>
function randomArray($multiple, $length = 4) {
if ($length <= $multiple) {
throw new Exception('Length must be greater than multiple');
}
// define possible characters
$possible = 'ABCEFGHIJKLMNPQRSTUVWXYZ';
$value = str_repeat(substr($possible, mt_rand(0, strlen($possible)-1), 1), $multiple);
$i = strlen($value);
// add random characters to $value until $length is reached
while ($i < $length) {
// pick a random character from the possible ones
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
// we don't want this character if it's already in the string
if (!strstr($value, $char)) {
$value .= $char;
$i++;
}
}
// done!
$value = str_split($value);
shuffle($value);
return $value;
}
// return a random selection from the given array
// if $allowRepick is true, then the same array value may be picked multiple times
function arrayPick($arr, $count, $allowRepick = false) {
$value = array();
if ($allowRepick) {
for ($i = 0; $i < $count; ++$i) {
array_push($value, $arr[mt_rand(0, count($arr) - 1)]);
}
} else {
shuffle($arr);
$value = array_slice($arr, 0, $count);
}
return $value;
}
// generate an array with 4 values, from which 3 are the same
$values = randomArray(3, 4);
// pick any 3 distinct values from the array
$choices = arrayPick($values, 3, false);
// convert to strings
$valuesStr = implode('', $values);
$choicesStr = implode('', $choices);
echo 'Value : ' . $valuesStr . "\n";
//echo 'Choice : ' . $choicesStr . "\n";
if (preg_match('/^(.)\1*$/', $choicesStr)) {
echo $choicesStr . ' : Winner!';
} else {
echo $choicesStr . ' : Loser!';
}