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$_file in php examples



$_file in php examples
By using this super global variable we can get the information of uploading files. It is 2 dimensional array variables   providing 5 elements. It is used to hold the information of uploading file. Every element 1st dimensional is the name of the upload control.  
By using default every upload file will load in to the temporary location with another name when user click on the submit button we have move that file temporary location to permanent location. When the file uploaded in to the server in server $_file variable will create with 5 elements.

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