Charles C. Spencer
CIS 52N Spring 2008
Practice Chapter 7
array_shift, array_unshift:
Array ( [0] => Tiger Woods [1] => Vijay Singh [2] => Phil Mickelson [3] => Retief Goosen [4] => Padraig Harrington [5] => David Toms [6] => Sergio Garcia [7] => Adam Scott [8] => Stewart Cink )
arrays adding elements:
Array ( [0] => Anesthesia [1] => Molecular Biology [2] => Neurology [3] => Pediatrics )
array_pop, array_push:
Array ( [0] => Anesthesia [1] => Molecular Biology [2] => Psychiatry [3] => Pulmonary Diseases )
array_splice (adding):
Array ( [0] => Anesthesia [1] => Molecular Biology [2] => Neurology [3] => Pediatrics )
Array ( [0] => Anesthesia [1] => Molecular Biology [2] => Neurology [3] => Ophtalmology [4] => Otolaryngology [5] => Pediatrics )
array_splice (deleting):
Array ( [0] => Anesthesia [1] => Molecular Biology [2] => Neurology [3] => Pediatrics [4] => Ophtalmology [5] => Otolaryngology )
Array ( [0] => Anesthesia [1] => Pediatrics [2] => Ophtalmology [3] => Otolaryngology )
array_unique:

The world's top golfers are: (array before 'unique')...

Array ( [0] => Tiger Woods [1] => Tiger Woods [2] => Vijay Singh [3] => Vijay Singh [4] => Ernie Ele [5] => Phil Mickelson [6] => Retief Goosen [7] => Padraig Harrington [8] => David Toms [9] => Sergio Garcia [10] => Adam Scott [11] => Stewart Cink )

The world's top golfers are:

Tiger Woods
Vijay Singh
Ernie Ele
Phil Mickelson
Retief Goosen
Padraig Harrington
David Toms
Sergio Garcia
Adam Scott
Stewart Cink
Associative Arrays:
Array ( [Newfoundland and Labrador] => St. John's [Prince Edward Island] => Charlottetown [Nova Scotia] => Halifax [New Brunswick] => Federiction [Quebec] => Quebec City [Ontario] => Toronto [Manitoba] => Winnipeg [Saskatchewan] => Regina [Alberta] => Edmonton [British Columbia] => Victoria )

or...

Array ( [Newfoundland and Labrador] => St.John's [Prince Edward Island] => Charlottetown [Nova Scotia] => Halifax )

etc...


Refering to the elements in an array...

The capital of Quebec isQuebec City,

The capital of British Columbia is Victoria.

declaring and initializing an array....

Array ( [Nunavut] => Iqaluit [Northwest Territories] => Yellowknife [0] => Whithorse )

numbering arrays...


Array ( [1] => Nunavut [2] => Northwest Territories [3] => Yukon Territory [4] => Whitehorse [5] => )

The Territories:

Nunavut
Northwest Territories
Yukon Territory
Whitehorse

$The $Territories array consists of 4 elements.
Iterating through an array:

Sun

Mon

Tue

Wed

Thur

Fri

Sat

Sat

The capital of Prince Edward Island is St. John's
The capital of Prince Edward Island is Charlottetown
The capital of Prince Edward Island is Halifax
The capital of Prince Edward Island is Federiction
The capital of Prince Edward Island is Quebec City
The capital of Prince Edward Island is Toronto
The capital of Prince Edward Island is Winnipeg
The capital of Prince Edward Island is Regina
The capital of Prince Edward Island is Edmonton
The capital of Prince Edward Island is Victoria

The capital of Prince Edward Island is St. John's
The capital of Nova Scotia is Charlottetown
The capital of New Brunswick is Halifax
The capital of Quebec is Federiction
The capital of Ontario is Quebec City
The capital of Manitoba is Toronto
The capital of Saskatchewan is Winnipeg
The capital of Alberta is Regina
The capital of British Columbia is Edmonton
The capital of is Victoria
Finding and Extracting elements and values:

The hospital has a Neurology department.

The hospital has a Neurology department.

The hospital has a Neurology department.
Determining if a value exists:

Tiger Woods is one of the top ten golfers in the Official World Golf Ranking.
Determining if a key exists:

Dennis is already 'Fat Man'.


Used Game Pieces:

Dancer

Fat Man

Assassin
Returning a portion of an array:

The top five golfers in the world are:

Tiger Woods
Vijay Singh
Ernie Ele
Phil Mickelson
Retief Goosen
Sorting arrays:

The top five golfers in the world are:

Tiger Woods
Vijay Singh
Ernie Ele
Phil Mickelson
Retief Goosen

The top five golfers in the world in alphabetical order are:

Ernie Ele
Phil Mickelson
Retief Goosen
Tiger Woods
Vijay Singh

The top five golfers in the world in reverse alphabetical order are:

Vijay Singh
Tiger Woods
Retief Goosen
Phil Mickelson
Ernie Ele


more sorting...ksort:
Array ( [Alberta] => Edmonton [British Columbia] => Victoria [Manitoba] => Winnipeg [New Brunswick] => Federiction [Newfoundland and Labrador] => St. John's [Nova Scotia] => Halifax [Ontario] => Toronto [Prince Edward Island] => Charlottetown [Quebec] => Quebec City [Saskatchewan] => Regina )
and....krsort:
Array ( [Saskatchewan] => Regina [Quebec] => Quebec City [Prince Edward Island] => Charlottetown [Ontario] => Toronto [Nova Scotia] => Halifax [Newfoundland and Labrador] => St. John's [New Brunswick] => Federiction [Manitoba] => Winnipeg [British Columbia] => Victoria [Alberta] => Edmonton )
Combining Arrays:
Array ( [0] => Newfoundland and Labrador [1] => Prince Edward Island [2] => Nova Scotia [3] => New Brunswick [4] => Quebec [5] => Ontario [6] => Manitoba [7] => Saskatchewan [8] => Alberta [9] => British Columbia )

Array ( [Newfoundland and Labrador] => St. John's [Prince Edward Island] => Charlottetown [Nova Scotia] => Halifax [New Brunswick] => Federiction [Quebec] => Quebec City [Ontario] => Toronto [Manitoba] => Winnipeg [Saskatchewan] => Regina [Alberta] => Edmonton [British Columbia] => Victoria [Nunavut] => Iqaluit [Northwest Territories] => Yellowknife [Yukon Territory] => Whitehorse )
sorted...
Array ( [0] => Charlottetown [1] => Edmonton [2] => Federiction [3] => Halifax [4] => Iqaluit [5] => Quebec City [6] => Regina [7] => St. John's [8] => Toronto [9] => Victoria [10] => Whitehorse [11] => Winnipeg [12] => Yellowknife )
merged...


Array ( [Newfoundland and Labrador] => St. John's [Prince Edward Island] => Charlottetown [Nova Scotia] => Halifax [New Brunswick] => Federiction [Quebec] => Quebec City [Ontario] => Toronto [Manitoba] => Winnipeg [Saskatchewan] => Regina [Alberta] => Edmonton [British Columbia] => Victoria [Nunavut] => Iqaluit [Northwest Territories] => Yellowknife [Yukon Territory] => Whitehorse )
Two Deminsional indexed arrays:

At today's exchange rate, 1 Japanese Yen converts to 0.007146 Euros.


As a single statement:

At today's exchange rate, 1 U.K. Pound converts to 1.4382 Euros.
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