数组中如何删除多个数据? 问题:$a="1,2,3,4";$b="2,3";$c="1,4";如何实现$c的结果?$a与$b比对后组成新的数组$c. 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 $a="1,2,3,4";$b="2,3"; $aAry = explode(",",$a);$bAry = explode(",",$b);$cAry = array_diff($aAry, $bAry);foreach ($cAry as $item) { $c .= (isset($c) ? ",".$item : $item);}echo $c; $a = "1,2,3,4"; $b = "2,3"; $c = join(',', array_diff(split(',', $a), split(',', $b)));echo $c; //1,4 <?php$array1 = array("a" => "green", "red", "blue", "red");$array2 = array("b" => "green", "yellow", "red");$result = array_diff($array1, $array2);print_r($result);?> 在 $array1 中多次出现的值一样处理,输出结果为: Array( [1] => blue) $a = "1,2,3,4"; $b = "2,3"; $c = join(',', array_diff(split(',', $a), split(',', $b))); echo $c; //1,4学习了o(∩_∩)o... value后面应该怎么传递参数 value= "$result_row[title]" 这种情况FOREACH怎么用 用的APMServ5.2.6为什么不好用 php文件测试时,出现这一段话,请高手们帮忙看看,谢谢 ! 问一个关于UTF8中文问题 想找一个smarty+php的简单网站的示例 请教--SOAP祥解! 关于关键词的索引 请教聊天室问题 询问: extract() 出错 基础题:复选框多列的形式怎么做? 如何获取其iframe里的php变量值?
$a="1,2,3,4";
$b="2,3";
$aAry = explode(",",$a);
$bAry = explode(",",$b);$cAry = array_diff($aAry, $bAry);foreach ($cAry as $item) {
$c .= (isset($c) ? ",".$item : $item);
}
echo $c;
$b = "2,3";
$c = join(',', array_diff(split(',', $a), split(',', $b)));
echo $c; //1,4
<?php
$array1 = array("a" => "green", "red", "blue", "red");
$array2 = array("b" => "green", "yellow", "red");
$result = array_diff($array1, $array2);print_r($result);
?>
在 $array1 中多次出现的值一样处理,输出结果为: Array
(
[1] => blue
)
$b = "2,3";
$c = join(',', array_diff(split(',', $a), split(',', $b)));
echo $c; //1,4
学习了o(∩_∩)o...