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字符串查找并替换的二个函数
藍錄的博客
Original
781 people have browsed it

实例

<?php
/**
 * 字符串查找并替换的二个函数
 */

// str_replace(), substr_replace()
$str = 'Peter Zhu is PHP Lecture';
//1.str_replace()
echo str_replace('PHP', 'JAVA', $str), '<br>';
//删除式替换
echo str_replace('Zhu', '', $str), '<br>';
// 一次性替换多个内容
echo str_replace(['Peter','Zhu','PHP'],'朱老师', $str), '<br>';
echo str_replace(['Peter','Zhu','Lecture'],['彼得','朱','讲师'], $str), '<br>';
// str_ireplace(): 忽略大小写的替换
echo '<hr>';
// substr_replace()

echo substr_replace($str,'PHP是最好的编程语言',0), '<br>';
echo substr_replace($str,'PHP是最好的编程语言',0,strlen($str)), '<br>';

echo substr_replace($str, 'PHP中文网  ',13,0),'<br>';
echo substr_replace($str, 'JAVA',13,3),'<br>';
// 删除式替换
echo substr_replace($str, '',6,3);

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