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Now that the frontend has verified the input, why does the backend continue to verify whether it is empty?

update time：2019-03-16 20:33:54

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Hello, Teacher Zhu, let me ask you a question

update time：2018-08-24 09:52:27

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PHP extension intl

update time：2018-08-06 16:21:06

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As soon as the phpstudy 2018 service is started, the IIS service stops and there is no port conflict.

update time：2018-06-06 15:24:48

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The page does not jump

update time：2017-10-19 13:00:52

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What should I do if Notice: Undefined index: email in F:\apache\Apache24\htdocs\chap01\form1.php on line 21 appears when verifying the php form.

update time：2017-11-17 12:32:48

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About the login interface not jumping

update time：2019-10-17 16:24:34

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If else can only one else be written, not multiple elsels?

update time：2020-08-19 15:31:19

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Read session in buy.php

update time：2017-09-11 23:24:54

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$a = 8-6.6; $b = 1.4; var_dump($a == $b); 为什么输出是false

update time：2016-12-30 15:12:59

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How to check if coordinates are inside bounds object in PHP?

update time：2024-04-05 00:25:54

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How to write a voice reminder that the time is up or there is an order?

update time：2020-03-08 23:41:57

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How to upgrade openssl to version 1.0.2o when phpstudy comes with apache

update time：2018-08-23 18:48:39

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When IE browser form is submitted, Chinese transcoding is always invalid

update time：2017-07-10 10:25:14

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php 中字符串$a,$a{0} 和 $[0]有什么区别吗？

update time：2016-11-09 16:53:03

1388Page View2 answers

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Now that the frontend has verified the input, why does the backend continue to verify whether it is empty?

Hello, Teacher Zhu, let me ask you a question

PHP extension intl

As soon as the phpstudy 2018 service is started, the IIS service stops and there is no port conflict.

The page does not jump

What should I do if Notice: Undefined index: email in F:\apache\Apache24\htdocs\chap01\form1.php on line 21 appears when verifying the php form.

About the login interface not jumping

If else can only one else be written, not multiple elsels?

Read session in buy.php

$a = 8-6.6; $b = 1.4; var_dump($a == $b); 为什么输出是false

How to check if coordinates are inside bounds object in PHP?

How to write a voice reminder that the time is up or there is an order?

How to upgrade openssl to version 1.0.2o when phpstudy comes with apache

When IE browser form is submitted, Chinese transcoding is always invalid

php 中 字符串$a,$a{0} 和 $[0]有什么区别吗？

php.cn

php 中字符串$a,$a{0} 和 $[0]有什么区别吗？