Digital Media Technology

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• Digital Media Technology

Week 11 PHP3
Peter Verhaar
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Todays lecture

• Recapitulation (iteration, interactive web
  pages)
• Databases and Web Programming
• Web programming and Text analysis
• Arrays
• Functions

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Homework exercise Question 4
Webform.html
process.php
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Homework exercise Question 3
if ( condition1 ) Code block 1 elseif
( condition 2 ) Code block 2 else
Code block 3
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distant reading vs. close reading
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Questions

• What are be the main motivations for digitizing
  millions of books?
• Reading mediated by typography vs. mediation
  through algorithms?
• Can the latter actually be considered reading?
• What sort of knowledge can be produced through
  algorithms?
• How does the act of reading actually change under
  the influence of technologies?

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title "Waiting for Godot"
titles array ("Waiting for Godot", "Endgame",
"Happy Days", Krapps Last Tape" )
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Arrays

• Used to define a collection / a list
• Can be declared with the array() function

lt?php titles array ("Waiting for Godot",
"Endgame", "Happy Days", Krapps Last Tape" ) ?gt
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Use of the array() function in this way will
create an automatic index
titles
0 Waiting for Godot
1 Endgame
2 Happy Days
3 Krapps Last Tape
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Addressing elements in the array
lt? titles array ("Waiting for Godot",
"Endgame", "Happy Days", Krapps Last
Tape ) print titles2 ?gt
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An indexed array
capitals array( "Italy"gt "Rome",
"Luxembourg"gt "Luxembourg", "Belgium"gt
"Brussels", "Denmark"gt Copenhagen",
"Finland"gt "Helsinki", "France"gt "Paris",
"Slovakia"gt "Bratislava", "Slovenia"gt
"Ljubljana", "Germany"gt "Berlin )
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Addressing an element in an indexed array
capitals array( "Italy"gt "Rome",
"Luxembourg"gt "Luxembourg", "Belgium"gt
"Brussels ) print capitals"Italy" //
this will print "Rome"
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file.php
url
Php parser
Client
array
MySQL
Server
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languages
eng English
dut Dutch
fre French
ger German
ita Italian
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Books database
print "ltselectgt" foreach ( languages as l
) print "ltoptiongt l lt/optiongt" print
"lt/selectgt"
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Functions
function ltname of functiongt (ltparametersgt)   
code block
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Functions
function average(a, b)   sum a b
  average sum / 2   return average
print "The average of 7 and 9 is " .
average(7,9)