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... ifarme跳转浏览器兼容问题 ? <?= 与 echo 的区别. 关于APACHE一个 IP多域名的问题 菜鸟提问,请大家帮忙解决~~~~! fck 里面问题多多,请教高手帮忙解决解决。 求一个好点的用session做的php购物车,急...在线等 (分不够可再加) 怎样在win2003下安装php5 现在的大型网站打开后,会在地址栏里嫁了个该网站的logo,这个是怎么做的? PHP使用模板,在替换变量时的问题!!50送上! 版主!!!!!!!!我要投诉! 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...