Process Analysis of Implementing Download Function in PHP_PHP Tutorial

Process analysis of client downloading files from the server:

                                                   

So we need to set the number of bytes read once in the php code. For example, I set the number of bytes read once through $buffer=1024 in the following code. Every time it is read, the data is output (i.e. Return to browser)

Flow chart:

("Content-type:text/html;charset=utf-8" ="Christmas Carnival.jpg" =("utf-8","gb2312",=['DOCUMENT_ROOT']."marcofly/phpstudy/down/down/"=. (!( "There is no such file"=(,"r"=( ("Content-type: application/octet-stream"("Accept-Ranges: bytes"("Accept-Length:".("Content-Disposition: attachment; filename=".=1024=0 (!() && <=(,+= (?> A few things to note:

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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/626614.htmlTechArticleProcess analysis of client downloading files from the server: So we need to set the word to be read once in the php code Number of sections, for example, I set one read through $buffer=1024 in the code below...