Usage of php dirname() function

basename()Functiongives a string containing the full path to a file, and the value it returns is the base file name, It can also be considered as an extension of the pathinfo() function:

Syntax

basename(path,suffix)

##ParametersDescriptionpathRequired. Specifies the path to be checked. suffixOptional. Specifies the file extension. If the file has suffix, this extension will not be output. basename() function code is as follows:

echo basename($path); 
//输出结果：myphoto.jpg 
//或者 
basename("/www/mywebsite/images/"); 
//输出结果：images

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