W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
<!DOCTYPE html> <html> <body> <p>在数组中搜索值 "RED"，然后将其替换为 "pink"。</p> <?php $arr = array("blue","red","green","yellow"); print_r(str_replace("red","pink",$arr,$i)); echo "<br>" . "替换次数: $i"; ?> </body> </html>