php - Explode 不适用于字符串中的 multilpe 逗号

Question

我试图在这里和谷歌中找到答案，但没有运气！

为什么当我尝试爆炸字符串时它不起作用？

$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";

$Text_Array = explode(",",$Text);

$Text_Array = array_filter($Text_Array);

print_r($Text_Array);

我想让我的所有标签除以一个逗号并删除任何空格和重复标签。

我想要这个结果：

“巴西，银行，首页，英国，测试，金融时报，ipad，两个字”；

拜托，你能帮我实现这个目标吗？

Answer 1

如果你愿意，那么remove any space and duplicate tags你还需要添加array_uniquearray_filter

$textAray = array_unique(array_filter($textAray));

注意..请这不会删除.结果中的..这是过滤结果的更好方法

$text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";
$textArray = array_unique(preg_split("/[,.]+/", $text));
$textArray = array_filter($textArray);
echo implode(",", $textArray);

输出

brazil,banks,home,uk,test,financial times,ipad,Two words

Answer 2

你需要的是 array_unique 函数：

$Text_Array = array_unique($Text_Array);

所以你的代码变成：

$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";

$Text_Array = explode(",",$Text);

$Text_Array = array_filter($Text_Array);

$Text_Array = array_unique($Text_Array);\

print_r($Text_Array);

然后您将获得所需的输出。

Answer 3

您可以在分解字符串之前用单个逗号替换多个连续逗号

$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";

$Text = preg_replace("/,+/", ",", $Text);
$Text_Array = explode(",",$Text);

print_r($Text_Array);

请注意，您的数组中仍有一个包含点的元素，如果您的字符串以逗号结尾，则数组的最后一个元素将为空。

Answer 4

你需要这样的代码

$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";

$str = substr(preg_replace('/(.+?)[,]+/', '$1,', $Text),0,strlen($str)-1);
$arr = array_unique(explode(',', $str));
print_r($arr);

1. 您需要用一个替换 , 或多个，我已经用 preg_replace 完成了
2. 从字符串中删除最后一个
3. 爆炸，
4. 通过 array_unique() 删除重复项

Answer 5

试试这个：

<?php
$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";
$Text = str_replace('.','',implode(',',array_unique(explode(',', $Text))));
$Text_Array = explode(",",$Text);

$Text_Array = array_filter($Text_Array);

print_r($Text_Array);
?>

Answer 6

除了这些人给出的解决方案之外，您还可以尝试使用它来打印您想要的值：-

foreach($Text_Array as $textval)
{
echo $textval . ",";
}

Answer 7

你可以试试这个

<?php

$Text = "brazil,banks,home,,uk,,,,test,financial times,.,ipad,,banks,,Two words,,";

$Text=str_replace(array(",,",",,,,",",.,",",,"),',',$Text);

$Text_Array = explode(",",$Text);

$Text_Array = array_filter($Text_Array);

print_r($Text_Array);
//output :: Array ( [0] => brazil [1] => banks [2] => home [3] => uk [4] => test [5] => financial times [6] => ipad [7] => banks [8] => Two words )
?>

Answer 8

您可以通过将 ',,' 替换为 ',' 直到不再存在 ',,' 来删除示例中所有不必要的逗号。

while ( strstr($Text,',,') !== false ) {
    $Text = str_replace($Text,',,',',');
}

使用的功能：

• 字符串
• str_replace