php中explode按单词截取字符串

发布时间:2020-10-28编辑:脚本学堂
有关php按单词截取字符串的方法,php中explode按单词截取字符串的小例子,掌握下php字符串截取的方法与技巧。

php按单词截取字符串
这里指定字符串和单词数量进行截取

例子:
 

复制代码 代码示例:
<?php
function limit_words($string, $word_limit)
{
   $words = explode(" ",$string);
   return implode(" ",array_splice($words,0,$word_limit));
}
//示例
$content = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
echo limit_words($content,20);
?>