4 recommended articles about escaping slashes

Preface Recently, when I saved the link crawled by a crawler to the mysql database, I found that when I saved the link using json_encode, escape characters were displayed in the database. I did not need this escape, and it did not look like it. Clear and takes up storage space. Later, I found that by default, using json_encode to convert an array to json format will automatically escape strings containing slashes in the data. However, sometimes we do not need to escape them. This article talks about how to use json_encode without automatically escaping slashes. For the following array $a, there are two ways to solve it: $a = array( 'http://www.baidu.com', 'http://www.baidu.com', 'http://www.baidu.com', 'http://www.baidu.

1. In PHP, let json_encode not automatically escape the slash "/"

Introduction: This article mainly shares with you two methods on how to prevent json_encode from automatically escaping the slash "/" in PHP. The article gives details. The sample code is believed to be of certain reference value to everyone. Friends who need it can take a look below.

2. Issues related to character escaping

Introduction: Character escaping issues such as this string [td ]For God's sake! [/td] I escaped the single quotes and saved them in the database. When displaying the articles, I found that the articles all had escaped slashes. Instead of saving it directly into the database without escaping, sometimes errors may occur when inserting into the database. What should I do? //Convert some special characters function format_html($str){ $str = str_repl

3. Why do you need to escape? Solution

Introduction: Why do we need to escape str_replace(''\,'/',dirname(__FILE__))); The red part above is the escaped slash, why do we need to escape---- --Solution----------------------Because it is a special character. ------Solution----------------------Just to turn it into an ordinary character and make it lose its linguistic meaning

4. Character escaping related issues

Introduction: Character escaping issues such as this string [td]For God's sake! [/td]I escaped the single quotes and stored them in the database. When displaying the articles, I found that the articles all had escaped slashes. Instead of saving it directly into the database without escaping, sometimes an error will occur when inserting into the database. What should I do? //Convert some special characters function format_html($str){ $str = str_repl

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