我如何用php替换句子中的某些单词

Question

假设我有这句话：“奥巴马总统和他的家人从非洲回到美国。”

如何将“obama”替换为“bush”？

Answer 1

使用str_replace()函数：

$sentence = "The president obama came back to america from africa with his family";
$changed = str_replace("obama", "bush", $sentence);

Answer 2

这是一个愚蠢的问题。如果你只是用谷歌搜索它，就会找到解决方案：

  

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

$subj  = "The president obama came back to america from africa with his family";
$search = "bush";
$replace   = "obama";

echo str_replace($search, $replace, $subj);