Creating Arrays
array() and var_dump
array(7) { [0]=> string(6) "violet" [1]=> string(6) "indigo" [2]=> string(4) "blue" [3]=> string(5) "green" [4]=> string(6) "yellow" [5]=> string(6) "orange" [6]=> string(3) "red" }It dumps the arry on to the page, it shows how many things in the array, how many values (ie letters numbers) are in each part and the index of each
Array ( [0] => violet [1] => indigo [2] => blue [3] => green [4] => yellow [5] => orange [6] => red [7] => Gray )
Array
violet
Gray
Print gives some informating like index while dump gives you more like if its a string and how many in the array
array() and print_r
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 )Array ( [0] => 10 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 5 [6] => 7 [7] => 8 [8] => 9 [9] => 0 )
It dumps out the array and shows each value in the array with the index
associative array
Array ( [IT 1430] => Web Page Development [IT 3132] => Web Programming [IT 5233] => Web and Mobile Security Fundamentals [IT 5236] => Mobile Web Infrastructure )Web and Mobile Security Fundamentals
Web Programming
array count function
108
4
for loop
violetindigo
blue
green
yellow
orange
red
Gray
foreach...as loops
102
3
4
5
5
7
8
9
0
IT 1430 is Web Page Development
IT 3132 is Web Programming
IT 5233 is Web and Mobile Security Fundamentals
IT 5236 is Mobile Web Infrastructure