Array functions

in_array()

Student with r-number r06229152 was not found .

asort(): value by ascending order

Students sorted by r-number:

r0622915: Smith, Jeff
r0662335: Doe, John
r0715283: Doe, Jane

arsort(): value by descending order

Students sorted by r-number:

r0715283: Doe, Jane
r0662335: Doe, John
r0622915: Smith, Jeff

ksort(): key by ascending order

Students sorted by name:

r0715283: Doe, Jane
r0662335: Doe, John
r0622915: Smith, Jeff

krsort(): key by descending order

Students sorted by name:

r0622915: Smith, Jeff
r0662335: Doe, John
r0715283: Doe, Jane

array_push() and array_unshift()

array(6) { [0]=> string(9) "prepend 1" [1]=> string(9) "prepend 2" [2]=> string(9) "element 1" [3]=> string(9) "element 2" [4]=> string(8) "append 1" [5]=> string(8) "append 2" }

implode()

apples, oranges, mango

compact()

array(2) { ["fruits"]=> array(3) { [0]=> string(6) "apples" [1]=> string(7) "oranges" [2]=> string(5) "mango" } ["veggies"]=> array(3) { [0]=> string(7) "carrots" [1]=> string(6) "onions" [2]=> string(7) "brocoli" } }