<"hello1,hello2,hello3,hello4,hello5";//按逗号分离字符串
$hello = explode(',',$source);
for($i=0;$i<count($hello);$i++){
echo $hello[$i];echo "</br>";
}
"htmlcode">

$newstr = substr($str,0,strlen($str)-1); 


取得数组的具体数据


  $date = "04,30"; 
  list($month, $day) = split ('[,.-]', $date); 
  echo "Month: $month; Day: $day;<br />\n";


去除数组中重复的元素值 array_unique()


<meta charset="utf-8" />
<"206,206,206,201,206,201";
//$array = explode(',', $a1); //字符串组成数组
$array1=implode(",",array_unique(explode(',', $a1)));
 print_r($array1);
"htmlcode">

<"a"=>"Cat","b"=>"Dog","c"=>"Horse");
  print_r(array_values($a));
  // 输出：
  // Array ( [0] => Cat [1] => Dog [2] => Horse )
"htmlcode">

$a="303,304,305,306,307";
$a = explode(',',$a);
echo count($a);


JS split


<script language="javascript"> 
str="2,2,3,5,6,6"; //这是一字符串 
var strs= new Array(); //定义一数组 
strs=str.split(","); //字符分割 
for (i=0;i<strs.length ;i++ ) 
{ 
document.write(strs[i]+"<br/>"); //分割后的字符输出 
} 
</script> 


explode() 函数把字符串分割为数组。


// 示例 1 $pizza = "piece1 piece2 piece3 piece4 piece5 piece6"; 
$pieces = explode(" ", $pizza); 
echo $pieces[0]; // piece1 
echo $pieces[1]; // piece2 


implode() 函数把数组元素组合为一个字符串。


$array = array('a' => 1, 'b'=>2, 'c'=>3, 'd'=>4);
$string = implode("-",$array)
echo $string;
//==== 结果就是：1-2-3-4;


总结
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