The old version of PHP escapes the special characters in JSON function, escaped json_php tutorial

The old version of PHP escapes the special characters in JSON functions, escaping JSON

Make an API for an App, pull the data from the server-side MySQL, and then generate the JSON. There is a field in the data called content, which holds the content of the article, contains a lot of HTML tags, this field should be escaped when the JSON is transferred, because there are a large number of special characters will destroy the structure of the JSON.

Such a content:

Copy the Code code as follows:
' Lorem ipsum ' dolor ' sit amet, consectetur \ adipiscing elit. '

It must be converted to:

Copy the Code code as follows:
Lorem ipsum \ "dolor\" sit amet,\nconsectetur \ adipiscing elit.

If PHP version > 5.2,json_encode comes with Escape. If you have an older version of PHP, you can use the following function.

# list from www.json.org: (\b Backspace, \f formfeed) public Function escapejsonstring ($value) {  $escapers = array ("\ \" , "/", "\" "," \ n "," \ r "," \ T "," \x08 "," \x0c ");  $replacements = Array ("\\\\", "\\/", "\\\" "," \\n "," \\r "," \\t "," \\f "," \\b ");  $result = Str_replace ($escapers, $replacements, $value);  return $result;}

Often use, record, hope to help you.

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