Can php be replaced in a loop?

php can be replaced in a loop. The method is: 1. Create a PHP sample file; 2. Loop through "for($i=1;$i<=$num;$i){...}" The statement can be replaced.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

Can php be replaced in a loop?

php can be replaced in a loop.

#php loop replaces the simple implementation method in turn:

$o['des'] = existing employees

There are

junior technicians, and

The purpose is to replace all into input boxes

<?php
                                $num = substr_count($o[&#39;des&#39;],&#39;###&#39;); //4
                                $str = $o[&#39;des&#39;];  ---注意$str的位置，在for循环外面
                                for($i=1;$i<=$num;$i++){
                                    $in = "<input type=&#39;text&#39; class=&#39;space&#39; name=&#39;in$i&#39;/>";
                                    $str = preg_replace("/###/","$in",$str,1);   --注意变量名称必须与要查找到字符串变量名一致，因为是循环替换每一个，要变成不同name值。
                                }
                                echo $str;
                            ?>

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