php string concatenation

This article introduces the splicing method of strings in php for beginners.

1. Create a new 151.php, as shown in the picture:

##2 , enter the structure of the php web page ( ), as shown in the figure:

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: php Complete Self-Study Manual

3. Declare the file type and encoding for PHP interaction with the browser, as shown in the figure:

4. Define two string variables, str1 and str2 respectively, and assign them to 'Hello' and 'World! ', as shown in the figure:

5. Use the . sign to splice two string variables, as shown in the figure :

6. Run the web page and output the string variable str3, as shown in the figure:

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