Long description

The h t m l (client) consists of five lines of H T M L code. Line 1: open angle bracket form action equals open double quotes processLogin dot p h p close double quotes method equals open double quotes StartCommand POST EndCommand close double quotes close angle bracket, at indentation level 0. Line 2: Name open angle bracket input type equals open double quotes text close double quotes name equals open double quotes u name close double quotes forward slash close angle bracket, at indentation level 1. Line 3: Pass open angle bracket input type equals open double quotes text close double quotes name equals open double quotes pass close double quotes forward slash close angle bracket, at indentation level 1. Line 4: open angle bracket input type equals open double quotes submit close double quotes close angle bracket, at indentation level 1. Line 5: open angle bracket forward slash form close angle bracket, at indentation level 0.

The browser (client) contains 2 textboxes and a Submit button placed side by side.

The first textbox is labeled Name, with value: Ricardo. The second textbox is labeled Pass, with value: pw01.The submit button is named Submit Query.

H T T P request reads: StartCommand POST EndCommand processLogin dot p h p. Note: Arrows from the two textboxes point to a block of text that reads: H T T P POST request body: u name equals ricardo ampersand pass equals pw01.

P H P (server) consists of three lines of code, at indentation level 0. Line 1: forward slash forward slash within processLogin dot p h p. Line 2: echo dollar underscore StartCommand POST EndCommand open square bracket open double quotes u name close double quotes close square bracket semicolon forward slash forward slash outputs open double quotes ricardo close double quotes semicolon. Line 2: echo dollar underscore StartCommand POST EndCommand open square bracket open double quotes pass close double quotes close square bracket semicolon forward slash forward slash outputs open double quotes pw01 close double quotes semicolon.