PHP Arrays of U.S. States

states.php

# State Abbr => State Name; Vertical Format

[
    'AL' => 'Alabama',
    'AK' => 'Alaska',
    'AZ' => 'Arizona',
    'AR' => 'Arkansas',
    'CA' => 'California',
    'CO' => 'Colorado',
    'CT' => 'Connecticut',
    'DE' => 'Delaware',
    'DC' => 'District Of Columbia',
    'FL' => 'Florida',
    'GA' => 'Georgia',
    'HI' => 'Hawaii',
    'ID' => 'Idaho',
    'IL' => 'Illinois',
    'IN' => 'Indiana',
    'IA' => 'Iowa',
    'KS' => 'Kansas',
    'KY' => 'Kentucky',
    'LA' => 'Louisiana',
    'ME' => 'Maine',
    'MD' => 'Maryland',
    'MA' => 'Massachusetts',
    'MI' => 'Michigan',
    'MN' => 'Minnesota',
    'MS' => 'Mississippi',
    'MO' => 'Missouri',
    'MT' => 'Montana',
    'NE' => 'Nebraska',
    'NV' => 'Nevada',
    'NH' => 'New Hampshire',
    'NJ' => 'New Jersey',
    'NM' => 'New Mexico',
    'NY' => 'New York',
    'NC' => 'North Carolina',
    'ND' => 'North Dakota',
    'OH' => 'Ohio',
    'OK' => 'Oklahoma',
    'OR' => 'Oregon',
    'PA' => 'Pennsylvania',
    'RI' => 'Rhode Island',
    'SC' => 'South Carolina',
    'SD' => 'South Dakota',
    'TN' => 'Tennessee',
    'TX' => 'Texas',
    'UT' => 'Utah',
    'VT' => 'Vermont',
    'VA' => 'Virginia',
    'WA' => 'Washington',
    'WV' => 'West Virginia',
    'WI' => 'Wisconsin',
    'WY' => 'Wyoming'
]

# State Abbr => State Name; Horizontal Format

['AL' => 'Alabama', 'AK' => 'Alaska',  'AZ' => 'Arizona',  'AR' => 'Arkansas',  'CA' => 'California',  'CO' => 'Colorado',  'CT' => 'Connecticut',  'DE' => 'Delaware',  'DC' => 'District Of Columbia',  'FL' => 'Florida',  'GA' => 'Georgia',  'HI' => 'Hawaii',  'ID' => 'Idaho',  'IL' => 'Illinois',  'IN' => 'Indiana',  'IA' => 'Iowa',  'KS' => 'Kansas',  'KY' => 'Kentucky',  'LA' => 'Louisiana',  'ME' => 'Maine',  'MD' => 'Maryland',  'MA' => 'Massachusetts',  'MI' => 'Michigan',  'MN' => 'Minnesota',  'MS' => 'Mississippi',  'MO' => 'Missouri',  'MT' => 'Montana', 'NE' => 'Nebraska', 'NV' => 'Nevada', 'NH' => 'New Hampshire', 'NJ' => 'New Jersey', 'NM' => 'New Mexico', 'NY' => 'New York', 'NC' => 'North Carolina', 'ND' => 'North Dakota', 'OH' => 'Ohio',  'OK' => 'Oklahoma',  'OR' => 'Oregon',  'PA' => 'Pennsylvania',  'RI' => 'Rhode Island',  'SC' => 'South Carolina',  'SD' => 'South Dakota', 'TN' => 'Tennessee',  'TX' => 'Texas',  'UT' => 'Utah',  'VT' => 'Vermont',  'VA' => 'Virginia',  'WA' => 'Washington',  'WV' => 'West Virginia',  'WI' => 'Wisconsin',  'WY' => 'Wyoming']

# State Abbr => State Abbr; Vertical Format

[
    'AL' => 'AL',
    'AK' => 'AK',
    'AZ' => 'AZ',
    'AR' => 'AR',
    'CA' => 'CA',
    'CO' => 'CO',
    'CT' => 'CT',
    'DE' => 'DE',
    'DC' => 'DC',
    'FL' => 'FL',
    'GA' => 'GA',
    'HI' => 'HI',
    'ID' => 'ID',
    'IL' => 'IL',
    'IN' => 'IN',
    'IA' => 'IA',
    'KS' => 'KS',
    'KY' => 'KY',
    'LA' => 'LA',
    'ME' => 'ME',
    'MD' => 'MD',
    'MA' => 'MA',
    'MI' => 'MI',
    'MN' => 'MN',
    'MS' => 'MS',
    'MO' => 'MO',
    'MT' => 'MT',
    'NE' => 'NE',
    'NV' => 'NV',
    'NH' => 'NH',
    'NJ' => 'NJ',
    'NM' => 'NM',
    'NY' => 'NY',
    'NC' => 'NC',
    'ND' => 'ND',
    'OH' => 'OH',
    'OK' => 'OK',
    'OR' => 'OR',
    'PA' => 'PA',
    'RI' => 'RI',
    'SC' => 'SC',
    'SD' => 'SD',
    'TN' => 'TN',
    'TX' => 'TX',
    'UT' => 'UT',
    'VT' => 'VT',
    'VA' => 'VA',
    'WA' => 'WA',
    'WV' => 'WV',
    'WI' => 'WI',
    'WY' => 'WY'
]

# State Abbr => State Abbr; Horizontal Format

['AL' => 'AL', 'AK' => 'AK', 'AZ' => 'AZ', 'AR' => 'AR', 'CA' => 'CA', 'CO' => 'CO', 'CT' => 'CT', 'DE' => 'DE', 'DC' => 'DC', 'FL' => 'FL', 'GA' => 'GA', 'HI' => 'HI', 'ID' => 'ID', 'IL' => 'IL', 'IN' => 'IN', 'IA' => 'IA', 'KS' => 'KS', 'KY' => 'KY', 'LA' => 'LA', 'ME' => 'ME', 'MD' => 'MD', 'MA' => 'MA', 'MI' => 'MI', 'MN' => 'MN', 'MS' => 'MS', 'MO' => 'MO', 'MT' => 'MT', 'NE' => 'NE', 'NV' => 'NV', 'NH' => 'NH', 'NJ' => 'NJ', 'NM' => 'NM', 'NY' => 'NY', 'NC' => 'NC', 'ND' => 'ND', 'OH' => 'OH', 'OK' => 'OK', 'OR' => 'OR', 'PA' => 'PA', 'RI' => 'RI', 'SC' => 'SC', 'SD' => 'SD', 'TN' => 'TN', 'TX' => 'TX', 'UT' => 'UT', 'VT' => 'VT', 'VA' => 'VA', 'WA' => 'WA', 'WV' => 'WV', 'WI' => 'WI', 'WY' => 'WY']

# State Name => State Name; Vertical Format

[
    'Alabama' => 'Alabama',
    'Alaska' => 'Alaska',
    'Arizona' => 'Arizona',
    'Arkansas' => 'Arkansas',
    'California' => 'California',
    'Colorado' => 'Colorado',
    'Connecticut' => 'Connecticut',
    'Delaware' => 'Delaware',
    'District Of Columbia' => 'District Of Columbia',
    'Florida' => 'Florida',
    'Georgia' => 'Georgia',
    'Hawaii' => 'Hawaii',
    'Idaho' => 'Idaho',
    'Illinois' => 'Illinois',
    'Indiana' => 'Indiana',
    'Iowa' => 'Iowa',
    'Kansas' => 'Kansas',
    'Kentucky' => 'Kentucky',
    'Louisiana' => 'Louisiana',
    'Maine' => 'Maine',
    'Maryland' => 'Maryland',
    'Massachusetts' => 'Massachusetts',
    'Michigan' => 'Michigan',
    'Minnesota' => 'Minnesota',
    'Mississippi' => 'Mississippi',
    'Missouri' => 'Missouri',
    'Montana' => 'Montana',
    'Nebraska' => 'Nebraska',
    'Nevada' => 'Nevada',
    'New Hampshire' => 'New Hampshire',
    'New Jersey' => 'New Jersey',
    'New Mexico' => 'New Mexico',
    'New York' => 'New York',
    'North Carolina' => 'North Carolina',
    'North Dakota' => 'North Dakota',
    'Ohio' => 'Ohio',
    'Oklahoma' => 'Oklahoma',
    'Oregon' => 'Oregon',
    'Pennsylvania' => 'Pennsylvania',
    'Rhode Island' => 'Rhode Island',
    'South Carolina' => 'South Carolina',
    'South Dakota' => 'South Dakota',
    'Tennessee' => 'Tennessee',
    'Texas' => 'Texas',
    'Utah' => 'Utah',
    'Vermont' => 'Vermont',
    'Virginia' => 'Virginia',
    'Washington' => 'Washington',
    'West Virginia' => 'West Virginia',
    'Wisconsin' => 'Wisconsin',
    'Wyoming' => 'Wyoming'
]

# State Name => State Name; Horizontal Format

['Alabama' => 'Alabama', 'Alaska' => 'Alaska', 'Arizona' => 'Arizona', 'Arkansas' => 'Arkansas', 'California' => 'California', 'Colorado' => 'Colorado', 'Connecticut' => 'Connecticut', 'Delaware' => 'Delaware', 'District Of Columbia' => 'District Of Columbia', 'Florida' => 'Florida', 'Georgia' => 'Georgia', 'Hawaii' => 'Hawaii', 'Idaho' => 'Idaho', 'Illinois' => 'Illinois', 'Indiana' => 'Indiana', 'Iowa' => 'Iowa', 'Kansas' => 'Kansas', 'Kentucky' => 'Kentucky', 'Louisiana' => 'Louisiana', 'Maine' => 'Maine', 'Maryland' => 'Maryland', 'Massachusetts' => 'Massachusetts', 'Michigan' => 'Michigan', 'Minnesota' => 'Minnesota', 'Mississippi' => 'Mississippi', 'Missouri' => 'Missouri', 'Montana' => 'Montana', 'Nebraska' => 'Nebraska', 'Nevada' => 'Nevada', 'New Hampshire' => 'New Hampshire', 'New Jersey' => 'New Jersey', 'New Mexico' => 'New Mexico', 'New York' => 'New York', 'North Carolina' => 'North Carolina', 'North Dakota' => 'North Dakota', 'Ohio' => 'Ohio', 'Oklahoma' => 'Oklahoma', 'Oregon' => 'Oregon', 'Pennsylvania' => 'Pennsylvania', 'Rhode Island' => 'Rhode Island', 'South Carolina' => 'South Carolina', 'South Dakota' => 'South Dakota', 'Tennessee' => 'Tennessee', 'Texas' => 'Texas', 'Utah' => 'Utah', 'Vermont' => 'Vermont', 'Virginia' => 'Virginia', 'Washington' => 'Washington', 'West Virginia' => 'West Virginia', 'Wisconsin' => 'Wisconsin', 'Wyoming' => 'Wyoming']

# State Abbr; Vertical Format

[
    'AL',
    'AK',
    'AZ',
    'AR',
    'CA',
    'CO',
    'CT',
    'DE',
    'DC',
    'FL',
    'GA',
    'HI',
    'ID',
    'IL',
    'IN',
    'IA',
    'KS',
    'KY',
    'LA',
    'ME',
    'MD',
    'MA',
    'MI',
    'MN',
    'MS',
    'MO',
    'MT',
    'NE',
    'NV',
    'NH',
    'NJ',
    'NM',
    'NY',
    'NC',
    'ND',
    'OH',
    'OK',
    'OR',
    'PA',
    'RI',
    'SC',
    'SD',
    'TN',
    'TX',
    'UT',
    'VT',
    'VA',
    'WA',
    'WV',
    'WI',
    'WY'
]

# State Abbr; Horizontal Format

['AL', 'AK', 'AZ', 'AR', 'CA', 'CO', 'CT', 'DE', 'DC', 'FL', 'GA', 'HI', 'ID', 'IL', 'IN', 'IA', 'KS', 'KY', 'LA', 'ME', 'MD', 'MA', 'MI', 'MN', 'MS', 'MO', 'MT', 'NE', 'NV', 'NH', 'NJ', 'NM', 'NY', 'NC', 'ND', 'OH', 'OK', 'OR', 'PA', 'RI', 'SC', 'SD', 'TN', 'TX', 'UT', 'VT', 'VA', 'WA', 'WV', 'WI', 'WY']

# State Name; Vertical Format

[
    'Alabama',
    'Alaska',
    'Arizona',
    'Arkansas',
    'California',
    'Colorado',
    'Connecticut',
    'Delaware',
    'District Of Columbia',
    'Florida',
    'Georgia',
    'Hawaii',
    'Idaho',
    'Illinois',
    'Indiana',
    'Iowa',
    'Kansas',
    'Kentucky',
    'Louisiana',
    'Maine',
    'Maryland',
    'Massachusetts',
    'Michigan',
    'Minnesota',
    'Mississippi',
    'Missouri',
    'Montana',
    'Nebraska',
    'Nevada',
    'New Hampshire',
    'New Jersey',
    'New Mexico',
    'New York',
    'North Carolina',
    'North Dakota',
    'Ohio',
    'Oklahoma',
    'Oregon',
    'Pennsylvania',
    'Rhode Island',
    'South Carolina',
    'South Dakota',
    'Tennessee',
    'Texas',
    'Utah',
    'Vermont',
    'Virginia',
    'Washington',
    'West Virginia',
    'Wisconsin',
    'Wyoming'
]

# State Name; Horizontal Format

['Alabama', 'Alaska',  'Arizona',  'Arkansas',  'California',  'Colorado',  'Connecticut',  'Delaware',  'District Of Columbia',  'Florida',  'Georgia',  'Hawaii',  'Idaho',  'Illinois',  'Indiana',  'Iowa',  'Kansas',  'Kentucky',  'Louisiana',  'Maine',  'Maryland',  'Massachusetts',  'Michigan',  'Minnesota',  'Mississippi',  'Missouri',  'Montana', 'Nebraska', 'Nevada', 'New Hampshire', 'New Jersey', 'New Mexico', 'New York', 'North Carolina', 'North Dakota', 'Ohio',  'Oklahoma',  'Oregon',  'Pennsylvania',  'Rhode Island',  'South Carolina',  'South Dakota', 'Tennessee',  'Texas',  'Utah',  'Vermont',  'Virginia',  'Washington',  'West Virginia',  'Wisconsin',  'Wyoming']

Thank you, this was very helpful. FYI, however, your Washington state is listed as 'Washington, D.C.' which is incorrect.

@searsandrew Just now seeing this. Thanks for pointing that out!