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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. Defining Strings 　　 In PHP, the definition of a string can use either single quotation marks or double quotes. However, you must use the same single or double quotation marks to define strings, such as: ' Hello ' and ' hello ' are illegal

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

The PHP parser uses a pair of quotes to judge a string. Therefore, all strings must use the same single or double quotation marks to define the start and end. For example, the following string definition is illegal: 1 The difference between single

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

Programming In many web programming, strings are always generated and processed in large quantities. The proper use and processing of strings is also increasingly important for PHP programmers. This article from the simplest string definition has

1 The difference between single and double quotes in PHP In PHP, a string is usually defined in a pair of quotes, such as: ' I am a string in single quotes ' "I am a string in double quotes" The PHP parser uses a pair of quotes to judge a string.

One, the quotation mark defines the string In 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.

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

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.