PHP:在数组创建特定单词之前，以随机顺序输出元素

Question

我希望在PHP中创建一个数组，其中包含4个元素(例如"A“、"l”、"e“、"x")，并在创建单词"Alex”之前，在数组应该停止之前，以随机顺序输出这个字母。所以它应该输出这样的东西: Axel，leAx，xAle，.亚历克斯！我已经了解了如何从数组中输出随机元素，但是它不适用于我的4个元素，我也不知道如何用它创建一个循环。

<?php
$name = array("A","l","e","x");
$rand_keys = array_rand($name, 2);
echo $name[$rand_keys[0]];
echo $name[$rand_keys[1]];
?>

目前它输出了2个随机元素，我被困在这里(

请帮帮忙

Answer 1

使用shuffle重新排列数组中元素的顺序(参见http://php.net/manual/en/function.shuffle.php)。由于这改变了原来的数组，您应该首先创建一个副本。然后使用implode从数组中创建一个字符串(参见http://php.net/manual/en/function.implode.php)。同样的方式，存储所有被洗牌的名称，并使用内爆将它们连接到一个由逗号分隔的字符串。

<?php
$name = array("A","l","e","x");
$name_shuffled = $name;
$list_of_names = array();
do{
    shuffle($name_shuffled);
    $list_of_names[] = implode($name_shuffled);
} while ($name !== $name_shuffled);
echo(implode(', ', $list_of_names));
echo('!');
?>

Answer 2

洗牌，嗯..。

<?php 
$name = array("A","l","e","x");   
$copy = $name; 
do{  
shuffle($copy);
print_r($copy);   
}while($name !== $copy);
?> 

Answer 3

这对我有用，但对数组不起作用，因为数组对你的工作几乎没有什么影响。看我的主意

​

<html>
 <head>
 </head>
  <body>
   <table align='center' style='width: 100%; height: 30;'>
<tr>
<?php
	ini_set( 'error_reporting', E_ALL );
    ini_set( 'display_errors', true );
include ('data/data.php');

/* Call data from weather database  */
$data = "$WeatherIcon";

/* seperate weather condition icons to number */
if(preg_match('(clear.png)', $data) === 1) { $datatest=0; } 
if(preg_match('(mostlycloudy.png)', $data) === 1) { $datatest=1;  } 
if(preg_match('(partlycloudy.png)', $data) === 1) { echo $datatest=2;  } 
if(preg_match('(rain.png)', $data) === 1) { echo $datatest=3;  } 
if(preg_match('(nt_mostlycloudy.png)', $data) === 1) { $datatest=4;  } 
if(preg_match('(nt_cloudy.png)', $data) === 1) {  $datatest=5;  } 

/* a:{ΔΕΝ Βρέχει =0 ,Βρέχει =1}*/
  if   ($datatest <= 0 && $Rain_Rate <= 0 && $Temp <= 0 && $Temp >= -1) echo "GOOD WEATHER WITH COLD AND SOME ICE"; 
elseif ($datatest <= 0 && $Rain_Rate <= 0 && $Temp >= 0 && $Temp < 5) echo "GOOD WEATHER WITH COLD";
elseif ($datatest <= 0 && $Rain_Rate <= 0 && $Temp >= 5 && $Temp < 10) echo "GOOD WEATHER WITH SOME COLD"; 
elseif ($datatest <= 0 && $Rain_Rate <= 0 && $Temp >= 10 && $Temp < 20) echo "GOOD WEATHER WITH NORMAL TEMP"; 
elseif ($datatest <= 1) echo "GOOD WEATHER WITH MOSTLY CLOUD AND COLD";  
elseif ($datatest <= 2) echo "GOOD WEATHER WITH PARTLY CLOUD AND COLD ";  
elseif ($datatest <= 3) echo "RAINY DAY";  
elseif ($datatest <= 4) echo "<td bgcolor='#99ff99' align='center' style='width: 800px; height: 30;'>NIGHT GOOD WEATHER WITH MOSTLY CLOUD AND COLD</td>";  
elseif ($datatest <= 5) echo "<td bgcolor='#99ff99' align='center' style='width: 800px; height: 30;'>NIGHT CLOUDY WEATHER WITH COLD</td>";  
?>
</tr>	
		</table>
	</body>
</html>

​