single quotes, double quotes, and escape characters in PHP
http://blog.csdn.net/river131/article/details/9186203Category: PHP notes 2013-06-27 11:37 875 people read Comments (0) Favorites report escape characters PHP
PHP single and double quotes
The difference between single quotes and double quotes in php is very important in programming languages, both single quotes and double quotes. PHP quotes are easier to use than ASP quotes. in ASP, to substitute data into a variable, you must use
PHP single quotes and double quotes can modify string data. if the modified string contains a variable (for example, $ name), the biggest difference is that double quotes replace the variable value, the single quotation mark will output it as a
For Magic quotes, it is a commonplace question for phper. Today I accidentally see an article, combined with PHP Manual and its reply, here to do a simple summary.
In short, the input data is automatically escaped when the Magic quotes is turned on.
In PHP, a string is usually defined in a pair of quotation marks.Follow these steps: The code is as follows:Copy code $ Out = str_replace (array ('RN ', 'R', 'n'), '', $ out); PHP provides three methods to define strings: single quotes, double
The difference between single quotation marks and double quotes in PHP
In a programming language, both single and double quotes are important, as is the case in the PHP language. Compared to ASP, PHP quotation marks better use, in ASP, to put the
PHP single and double quotation marks can modify the string type of data, if the decorated string contains variables (example $name), The biggest difference is: double quotation marks will replace the value of the variable, and the single quotation
1. Define String
In PHP, a string can be defined using single quotes or double quotes. However, you must use the same single or double quotes to define the string, such as: ' Hello ' and ' hello ' are illegal string definitions.
When you define
Phpjsonp single quotes and jsonp single quotes. Phpjsonp single quotation mark escape: callbackname (jsonstring) is generally used in php jsonp output. if the jsonstring in the middle contains single quotation marks, this output will be escaped by
Original address: http://wenku.baidu.com/view/3e6a238271fe910ef12df806
"The distinction and usage of single and double quotes." Now the answer is summed up, written in this small essay. The fields inside the double quotes are interpreted by the
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