?php
//實例一：字符串替換字符串
$str1 = str_replace("red","black","red green yellow pink purple");
echo $str1.""; //輸出結果為black green yellow pink purple
?>
?php
//實例二：字符串替換數組鍵值
$arr = array("blue","red","green","yellow");
$str1 = str_replace("red","pink",$arr,$i);
print_r($str1);
?>
?php
//實例三：數組替換數組，映射替換
$arr1 = array("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);
?>
?php
//實例四：如$search為數組，$replace為字符串時
$search = array("banana","grape");
$replace = "tomato";
$arr = array("banana","apple","orange","grape");
$new_arr = str_replace($search,$replace,$arr,$count);
print_r($new_arr);
?>
以上所述是小編給大家介紹的PHP字符串替換str_replace()函數四種用法，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對腳本之家網站的支持！
