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
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
First meeting1. Initial knowledgehttp://localhost/Less-1/Prompt for ID, so access http://localhost/Less-1/?id=1Can continue to test the situation of id=2.3.4, etc., will output a different user name and password2. Further informationEach time will
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
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"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
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
In a programming language, either
single quotation marksStill is
Double quotes, all have a very important role in
PHPLanguage is the same. Compared to ASP, PHP quotation marks better use, the following for you to introduce the difference between
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.
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
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.
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