Why does \\1 inherit (.*) instead of replacing it? ? ?

<?php$string='[b]Write poems for you[/b][i]Do impossible things for you[/i]$pattern=array( '/\[b\](.*)\[\ /...

From [PHPdiscussion group] 2018-01-29 15:51:29 0  1  1662

What's the reason for the garbled code?

What's the reason for the garbled code?

From [PHPdiscussion group] 2018-04-03 21:37:14 0  2  1661

Login.html page js and css cannot run due to wrong address

I don’t even know where this address http://www.php.demo/admins.php/admins/Account/login came from? No details...

From [PHPdiscussion group] 2019-01-25 16:35:24 0  2  1661

What are the meanings and detailed differences of MySQL installation options?

1.What are the differences/differences between MySQL database installation options? 2. What are the difference...

From [PHPdiscussion group] 2019-02-17 16:17:11 0  2  1661

phpstudy2017 Nginx cannot start

Before using phpstudy2016, everything was normal and could be started. Today I downloaded the 2017 version and...

From [PHPdiscussion group] 2017-10-28 16:19:39 0  4  1661

Add this<td> <if condition="$vo['pic'] neq ''"> <img src="__ROOT__{$vo.pic}" height="50"> <else/> No thumbnail< /if> </td> Why is the picture not displayed? Solve

Add this <td> <if condition="$vo['pic'] neq ''"> <img src="__ROOT__{$vo.pic}&quo...

From [PHPdiscussion group] 2019-01-26 10:19:53 0  4  1660

Please tell me, teacher, after I imported the template and followed the video instructions, the css and js still cannot be downloaded. How can I solve this problem?

From [PHPdiscussion group] 2021-04-15 15:54:00 0  1  1660

I want to send two different emails to two different addresses using php in the same function

So when a product is ordered from a merchant registered on my website, I want my code to update them while als...

From [PHPdiscussion group] 2024-04-04 22:17:09 0  1  1660

How many levels of cyclic arrays can php handle?

It is a foreach nested inside a foreach. I tried the third layer but it didn’t work. It’s so slow. How do the ...

From [PHPdiscussion group] 2017-08-21 17:40:32 0  2  1659

vue.js - laravel uses vue-resource and reports an error Uncaught SyntaxError: Unexpected token

According to the official documents of vue-resource and laravel, the following syntax format should be used: {...

From [PHPdiscussion group] 2017-05-16 16:48:59 0  2  1659

php怎么实现定时提醒功能

比如想要实现这么一个功能：在用户生日当天或者提前几天就能自动给用户发送一条信息。或者在会员到期日期的前两三天自动就能给用户发送信息，如何才能用PHP语言来自动化实现这么一个功能呢？

From [PHPdiscussion group] 2017-02-10 11:25:11 0  2  1659

header problem

My header, homepage, server, etc. are arranged up and down. Why are they different from the teacher's?

From [PHPdiscussion group] 2022-12-27 15:20:48 0  0  1657

tp5.1 Request()->param() obtains the problem of automatic rounding of GET parameters

Today I built a TP verification ID function. I found that when a decimal is passed in through the GET method, ...

From [PHPdiscussion group] 2021-01-17 08:30:12 0  2  1657

The dologin of the js function has been defined.

From [PHPdiscussion group] 2019-04-20 11:37:18 0  1  1656

How to encrypt PHP with sg11

Like the title, how to encrypt PHP code with sg11, please teach me. I am willing to pay for advice~~~~~~~~~~

From [PHPdiscussion group] 2019-09-20 18:57:02 0  1  1656