在同一字符串上多次使用str_replace [英] Using str_replace multiple times on the same string

问题描述

我正在遍历表格中的标题，因此本质上是沿着这些行的内容.

I'm looping through a title from a table so it's essentially something along these lines.

foreach($c as $row){
    echo string_shorten($row['title']);
}

我正在尝试的是一条switch语句，该语句将在我要搜索的内容和找到的内容之间进行切换，将其替换为我在str_replace中选择的内容:

What I'm doing is trying is a switch statement that would switch between what I want it to search for and once it's found replace it with what I choose in the str_replace:

function string_shorten($text){
    switch(strpos($text, $pos) !== false){
         case "Hi":
              return str_replace('Hi','Hello', $text);
         break;
    }
}

任何建议或可能的替代方案将不胜感激.感觉我真的很接近，但还不是很接近.

Any suggestions or possible alternatives would be appreciated. It feels like I'm really close but not quite.

推荐答案

您可以在手册中阅读str_replace()

混合str_replace(混合$search，混合$replace，混合$subject [，int &$count])

mixed str_replace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] )

以及本例

// Provides: You should eat pizza, beer, and ice cream every day
$phrase  = "You should eat fruits, vegetables, and fiber every day.";
$healthy = array("fruits", "vegetables", "fiber");
$yummy   = array("pizza", "beer", "ice cream");

$newphrase = str_replace($healthy, $yummy, $phrase);

这意味着您可以使用类似以下的内容

This means that you could use something like the following

$search = array('Hi', 'Heyo', 'etc.');
$replace = array('Hello', 'Hello', '');
$str = str_replace($search, $replace, $str);

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