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HomeBackend DevelopmentPHP TutorialRecommended articles about FILTER_SANITIZE_STRING

First of all, we recommend filter_sanitize_string, filter_sanitize_string filter to remove or encode unnecessary characters. This filter removes data that is potentially harmful to the application. It is used to strip tags and remove or encode unwanted characters. name: "string" id-number: 513 Possible options or flags: filter_flag_no_encode_quotes - This flag does not encode quotes filter_flag_strip_low - remove characters with ascii value below 32 filter_flag_strip_high - remove characters with ascii value above 32 filter_flag_encode_low - encode characters with ascii value below 32 filter_flag_encode_high - encode characters with ascii value above 32 filter_flag_enc

1. php filters all html tags_PHP tutorial

Introduction: php filters all html tags. First we recommend filter_sanitize_string, filter_sanitize_string filter to remove or encode unnecessary characters. This filter removes data that is potentially harmful to the application. It

2. I have a question about the filter function

Introduction: I have a question about the filter function. good: Regarding the filter function, I feel that the official information is not very clear, so I would like to ask everyone for advice: FILTER_SANITIZE_STRING What special characters does this filter "remove tags, remove or encode special characters" specifically refer to? Which special characters are removed and which are encoded? Does anyone have any specific information on this? ------Solution---

3. Questions about the filter function

Introduction: Questions about the filter function Hello everyone: Regarding the filter function, I feel that the official information is not very clear. I would like to ask you: FILTER_SANITIZE_STRING What special characters does this filter "remove tags, remove or encode special characters" specifically refer to? ah? Which special characters are removed and which are encoded? Does anyone have any specific information on this? ------Solution-----

4. php filter all html tags

Introduction: php filters all html tags. First we recommend filter_sanitize_string, filter_sanitize_string filter to remove or encode unnecessary characters. This filter removes data that is potentially harmful to the application. It

5. php file download security

Introduction: ec(2); This script prevents files from being linked to other files as this forces the script file to be downloaded before the download starts. This script is a very important and highly confidential document. In this script, filter_var() is used to filter the file and validate the file with a valid string, which will download the file using filter FILTER_SANITIZE_STRING. With the PHP tag (“?php), use filter_var() to filter the downloaded files and verify the files from the array (mytextfil

6. Network Security-php only passes Is filter filtering user input safe enough?

##Introduction: The application scenario is that the user can enter any text, but cannot enter code like html. In PHP, FILTER_SANITIZE_STRING can be used. Is it safe enough to filter the filtered content input by users? Can it also be used for other purposes such as filtering for xss?

[Related Q&A recommendations]:

Network security-php only filters user input through filter, is it safe enough?

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