Reasons for automatically adding a backslash before a PHP form submission quotation mark and three methods to disable the php magic quotation mark. Reasons why PHP forms are automatically added with backslashes before quotation marks and three ways
IntroductionIn the field of business, to customer deployment projects, three projects to be integrated together, which results in different data formats, the path of the slash and backslash caused a lot of problems.Check out this information, here
here is a little bit of experience:For the following two reasons, using backslashes in regular expressions creates a double-conversion problem.(1), when Python handles the string itself, the backslash is used to escape the character(2), regular
PHP extension text processing -- PCRE regular expression syntax 3 -- escape sequence (backslash) backlash has multiple usage. First, if it is followed by a non-alphanumeric character, it indicates that the special meaning represented by this
Yesterday with PHP made a read and write HTML document applet, local testing is normal but to the site found that when the submission is saved automatically in double quotation marks in front of a backslash "\", and every time you save a backslash,
How do you write regular expressions to match 1 backslashes in a string? "\ \" is that all right? Try to know that the RE module throws an exception, because "\" is a backslash, for the regular expression parser, is an escape character, but the back
Forward Slash, also known as the left slash, the symbol is "/", the backslash is also called the right slash, the symbol is "\".
In Unix/linux, the path is delimited by a forward slash "/", such as "/home/hutaow", whereas in Windows, the path
A forward slash, also known as a left slash, indicates "/"; a backslash, also known as a right slash, indicating "\".
Package COM. autonavi. test; public class testpath {public static void main (string [] ARGs) {string Path = "d :\\ APACHE-Tomcat-
The problem of backslashes in regular expressions is not always understood before. It was finally clear today that the data had been consulted.One of the most important is that the backslash defined in Python's own string is also an escape character,
What is Magic Quotes
When turned on, all ' (single quotes), "(double quotes), \ (backslash), and NULL characters are automatically added with a backslash to escape. This is exactly the same as the addslashes () function.
A total of three magic
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.