ignore 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

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

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

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

1. Single quotation mark (') # grep Susan Phonebook Susan Goldberg 403-212-4921 Susan Topple 212-234-2343 If we're looking for Susan Goldberg and can't use the grep Susan Goldberg Phonebook command directly, grep treats Goldberg and phonebook as

The shell can recognize 4 different types of caret symbols: single quote character ' double quote character ' backslash character \ Inverted quote character ' 1. Single quotation mark (') # grep Susan Phonebook Susan Goldberg 403-212-4921 Susan

One, the quotation mark defines the stringIn PHP, typically a string is defined in a pair of quotation marks, such as:' I am a string in single quotes '"I am a string in double quotes"　　The PHP parser uses pairs of quotes to determine a string.

Fields in double quotation marks are interpreted by the compiler and then output as HTML code. The single quotes are output directly without explanation. For example: $ abcmynameistome; echo $ abc: mynameistomecho $ abc: $ abcecho $ abc: mynameistom

[Reprinted] differences between single quotes, double quotes, and anti-quotes in linux shell, linuxshell Linux shell can recognize four different types of leading characters: single quotes character 'double quotation marks character "backslash