Several PHP functions related to special character handling
Name of function
Interpretation
Introduced
Htmlspecialchars
Combine with, single double quotes, greater than, and less than sign into HTML format
&
Recently found to do a PHP program form data submission to the database content, as long as there is a single quotation mark or double quotation marks, the following will add a backslash. And every time you save a backslash, it's depressing.
So I
Several PHP functions related to special character handling
Name of function
Interpretation
Introduced
Htmlspecialchars
Combine with, single double quotes, greater than, and less than sign into HTML format
Tag: If cin height body padding decode rip null PHP
Name of function
Interpretation
Introduced
Htmlspecialchars
Combine with, single double quotes, greater than, and less than sign into HTML format
&
Name of function
Interpretation
Introduced
Htmlspecialchars
Combine with, single double quotes, greater than, and less than sign into HTML format
& Turn into "Turn into "' Turn into & #039;> Turn into >
PHP on the form to submit special characters of the processing method to do a summary, mainly related to Htmlspecialchars/addslashes/stripslashes/strip_tags/mysql_real_escape_ Several functions, such as String, are used jointly to communicate with
ObjectName is to store a number of properties under a domain, and the storage of the attribute is stored in a key-value way, and one of the best things about this class is that the Domian and attributes (key or value) support regular, such as: *
PHP summarizes the handling methods for special characters in Form submission, mainly involving htmlspecialchars, addslashes, stripslashes, strip_tags, mysql_real_escape_string, and other functions for joint use.
I. Several PHP functions related to
Ec (2); phpaddslashes the description string is equivalent to an automatic (string $ Strait) that needs to be queried in the database before being returned. These characters are single quotes (), string backslash (& ldquo;), backslash (), and NUL
: This article mainly introduces PHP escape characters. if you are interested in the PHP Tutorial, refer to it. In many cases, escape errors may occur when you capture some text from a third party. Summarize some php built-in escape functions, as
Source: http://zhengj3.blog.51cto.com/6106/290724This repair task is designed to handle the following security issues:[1] SQL blind Injection[2] SQL Injection[3] XPath Injection[4] database error modes discovered[5] Cross-Site Scripting[6]
Several PHP functions related to special character processing & nbsp; function name & nbsp; meaning & nbsp; description htmlspecialchars converts single and double quotation marks, greater than and less than signs into HTML & #26684; type & amp; to &
One, the quotation mark defines the string
In PHP, typically a string is defined in a pair of quotation marks, such as:
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"I am a string in double quotes"
The PHP parser uses pairs of quotes to determine a string.
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