详解PHP字符串替换str_replace()函数四种用法
(编辑:jimmy 日期: 2025/10/30 浏览:3 次 )
下面通过本文给大家分享PHP字符串替换str_replace()函数4种用法,具体内容如下所示:
mixed str_replace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] )
该函数返回一个字符串或者数组。该字符串或数组是将subject中全部的search都被replace替换之后的结果。
1、$search,要替换的字符串,或数组
2、$replace,被用来替换的字符串或数组
3、$subject,被查询的字符串或数组
4、$count,可选,如果被指定,将为设置为替换的次数
5、返回值:该函数返回替换后的数组或者字符串(新生成的)
<"red","black","red green yellow pink purple");
echo $str1.""; //输出结果为black green yellow pink purple
"blue","red","green","yellow");
$str1 = str_replace("red","pink",$arr,$i);
print_r($str1);
"banana","orange");
$arr2 = array("pitaya","tomato");
$con_arr = array("apple","orange","banana","grape");
$con_rep = str_replace($arr1,$arr2,$con_arr,$count);
print_r($con_rep);
"banana","grape");
$replace = "tomato";
$arr = array("banana","apple","orange","grape");
$new_arr = str_replace($search,$replace,$arr,$count);
print_r($new_arr);
"color: #ff0000">总结
以上所述是小编给大家介绍的PHP字符串替换str_replace()函数四种用法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!
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