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php多行文本输入,怎么去掉结尾逗号.求大神解决

//方式一$a_value= $_POST['a_value'];$areanames = explode("\n", $a_value);$str='';foreach($areanames as $areaname) { $areaname = trim($areaname); if(!$areaname) continue; $str.=$areaname.',';}echo rtrim($str,','); 方式二 $a_valu...

1、在循环体外去掉即可: {php $modulShow = substr($modulShow,0,-1)} 2、用if语句判断一下: public class If { public static void main(String[] args) { String[] hobbys = { "sports","game","movie"}; System.out.println("循环输出数组...

$str="1,2,3,4,5,";$list = rtrim($str, ',');

使用substring去除末尾逗号 示例: var str = "adfasdfa,sdfasdfa,adfasd,";//定义一个末尾有逗号的字符串 var str1 = str.substring(0,str.length-1);//截取开始到长度减-1的字符串,去掉逗号 alert(str1);//弹出截取的字符信息。已经去掉逗号...

echo implode(',',array_map(function(){return '"' . $row[1] . '":"' . $row[2] . '"';},$res))你是要返回json格式的吧,这种方法输出兼容性不好,如果数据里面包含了双引号,输出的格式就乱了。 输出json最好用json_encode函数 $data=array()...

jkbikini

echo str_replace(",","","10,000,000,000.00"); 输出: 10000000000.00

$array = array('0' => array('aa' => 'ss'), '1' => array('aa' => 'bb')); $value = array(); foreach ($array as $var) { $value[] = "'" . $var['aa'] . "'"; } $because = 'where c_produce in (' . implode(',', $value) . ')'; echo $bec...

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