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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the TXT format, set format=txt.
See the complete documentation, or API help for more information.
Array
(
    [query] => Array
        (
            [namespaces] => Array
                (
                    [-2] => Array
                        (
                            [id] => -2
                            [case] => first-letter
                            [*] => Media
                            [canonical] => Media
                        )

                    [-1] => Array
                        (
                            [id] => -1
                            [case] => first-letter
                            [*] => Special
                            [canonical] => Special
                        )

                    [0] => Array
                        (
                            [id] => 0
                            [case] => first-letter
                            [*] => 
                            [content] => 
                        )

                    [1] => Array
                        (
                            [id] => 1
                            [case] => first-letter
                            [*] => Talk
                            [subpages] => 
                            [canonical] => Talk
                        )

                    [2] => Array
                        (
                            [id] => 2
                            [case] => first-letter
                            [*] => User
                            [subpages] => 
                            [canonical] => User
                        )

                    [3] => Array
                        (
                            [id] => 3
                            [case] => first-letter
                            [*] => User talk
                            [subpages] => 
                            [canonical] => User talk
                        )

                    [4] => Array
                        (
                            [id] => 4
                            [case] => first-letter
                            [*] => Pasco Public Knowledgebase
                            [subpages] => 
                            [canonical] => Project
                        )

                    [5] => Array
                        (
                            [id] => 5
                            [case] => first-letter
                            [*] => Pasco Public Knowledgebase talk
                            [subpages] => 
                            [canonical] => Project talk
                        )

                    [6] => Array
                        (
                            [id] => 6
                            [case] => first-letter
                            [*] => File
                            [canonical] => File
                        )

                    [7] => Array
                        (
                            [id] => 7
                            [case] => first-letter
                            [*] => File talk
                            [subpages] => 
                            [canonical] => File talk
                        )

                    [8] => Array
                        (
                            [id] => 8
                            [case] => first-letter
                            [*] => MediaWiki
                            [subpages] => 
                            [canonical] => MediaWiki
                        )

                    [9] => Array
                        (
                            [id] => 9
                            [case] => first-letter
                            [*] => MediaWiki talk
                            [subpages] => 
                            [canonical] => MediaWiki talk
                        )

                    [10] => Array
                        (
                            [id] => 10
                            [case] => first-letter
                            [*] => Template
                            [canonical] => Template
                        )

                    [11] => Array
                        (
                            [id] => 11
                            [case] => first-letter
                            [*] => Template talk
                            [subpages] => 
                            [canonical] => Template talk
                        )

                    [12] => Array
                        (
                            [id] => 12
                            [case] => first-letter
                            [*] => Help
                            [subpages] => 
                            [canonical] => Help
                        )

                    [13] => Array
                        (
                            [id] => 13
                            [case] => first-letter
                            [*] => Help talk
                            [subpages] => 
                            [canonical] => Help talk
                        )

                    [14] => Array
                        (
                            [id] => 14
                            [case] => first-letter
                            [*] => Category
                            [canonical] => Category
                        )

                    [15] => Array
                        (
                            [id] => 15
                            [case] => first-letter
                            [*] => Category talk
                            [subpages] => 
                            [canonical] => Category talk
                        )

                    [90] => Array
                        (
                            [id] => 90
                            [case] => first-letter
                            [*] => Thread
                            [canonical] => Thread
                        )

                    [91] => Array
                        (
                            [id] => 91
                            [case] => first-letter
                            [*] => Thread talk
                            [canonical] => Thread talk
                        )

                    [92] => Array
                        (
                            [id] => 92
                            [case] => first-letter
                            [*] => Summary
                            [canonical] => Summary
                        )

                    [93] => Array
                        (
                            [id] => 93
                            [case] => first-letter
                            [*] => Summary talk
                            [canonical] => Summary talk
                        )

                    [100] => Array
                        (
                            [id] => 100
                            [case] => first-letter
                            [*] => Procedures
                            [canonical] => Procedures
                        )

                    [101] => Array
                        (
                            [id] => 101
                            [case] => first-letter
                            [*] => Procedures talk
                            [canonical] => Procedures talk
                        )

                    [102] => Array
                        (
                            [id] => 102
                            [case] => first-letter
                            [*] => ESE
                            [canonical] => ESE
                        )

                    [103] => Array
                        (
                            [id] => 103
                            [case] => first-letter
                            [*] => ESE talk
                            [canonical] => ESE talk
                        )

                    [106] => Array
                        (
                            [id] => 106
                            [case] => first-letter
                            [*] => SS
                            [canonical] => SS
                        )

                    [107] => Array
                        (
                            [id] => 107
                            [case] => first-letter
                            [*] => SS talk
                            [canonical] => SS talk
                        )

                    [108] => Array
                        (
                            [id] => 108
                            [case] => first-letter
                            [*] => LD
                            [canonical] => LD
                        )

                    [109] => Array
                        (
                            [id] => 109
                            [case] => first-letter
                            [*] => LD talk
                            [canonical] => LD talk
                        )

                    [110] => Array
                        (
                            [id] => 110
                            [case] => first-letter
                            [*] => IMT
                            [canonical] => IMT
                        )

                    [111] => Array
                        (
                            [id] => 111
                            [case] => first-letter
                            [*] => IMT talk
                            [canonical] => IMT talk
                        )

                    [112] => Array
                        (
                            [id] => 112
                            [case] => first-letter
                            [*] => AUDIT
                            [canonical] => AUDIT
                        )

                    [113] => Array
                        (
                            [id] => 113
                            [case] => first-letter
                            [*] => AUDIT talk
                            [canonical] => AUDIT talk
                        )

                    [114] => Array
                        (
                            [id] => 114
                            [case] => first-letter
                            [*] => EBARM
                            [canonical] => EBARM
                        )

                    [115] => Array
                        (
                            [id] => 115
                            [case] => first-letter
                            [*] => EBARM talk
                            [canonical] => EBARM talk
                        )

                    [116] => Array
                        (
                            [id] => 116
                            [case] => first-letter
                            [*] => CTE
                            [canonical] => CTE
                        )

                    [117] => Array
                        (
                            [id] => 117
                            [case] => first-letter
                            [*] => CTE talk
                            [canonical] => CTE talk
                        )

                    [118] => Array
                        (
                            [id] => 118
                            [case] => first-letter
                            [*] => FNS
                            [canonical] => FNS
                        )

                    [119] => Array
                        (
                            [id] => 119
                            [case] => first-letter
                            [*] => FNS talk
                            [canonical] => FNS talk
                        )

                    [120] => Array
                        (
                            [id] => 120
                            [case] => first-letter
                            [*] => COMM
                            [canonical] => COMM
                        )

                    [121] => Array
                        (
                            [id] => 121
                            [case] => first-letter
                            [*] => COMM talk
                            [canonical] => COMM talk
                        )

                    [122] => Array
                        (
                            [id] => 122
                            [case] => first-letter
                            [*] => HR
                            [canonical] => HR
                        )

                    [123] => Array
                        (
                            [id] => 123
                            [case] => first-letter
                            [*] => HR talk
                            [canonical] => HR talk
                        )

                    [126] => Array
                        (
                            [id] => 126
                            [case] => first-letter
                            [*] => RANDE
                            [canonical] => RANDE
                        )

                    [127] => Array
                        (
                            [id] => 127
                            [case] => first-letter
                            [*] => RANDE talk
                            [canonical] => RANDE talk
                        )

                    [128] => Array
                        (
                            [id] => 128
                            [case] => first-letter
                            [*] => ECP
                            [canonical] => ECP
                        )

                    [129] => Array
                        (
                            [id] => 129
                            [case] => first-letter
                            [*] => ECP talk
                            [canonical] => ECP talk
                        )

                    [130] => Array
                        (
                            [id] => 130
                            [case] => first-letter
                            [*] => SSPS
                            [canonical] => SSPS
                        )

                    [131] => Array
                        (
                            [id] => 131
                            [case] => first-letter
                            [*] => SSPS talk
                            [canonical] => SSPS talk
                        )

                    [132] => Array
                        (
                            [id] => 132
                            [case] => first-letter
                            [*] => TRANSPORTATION
                            [canonical] => TRANSPORTATION
                        )

                    [133] => Array
                        (
                            [id] => 133
                            [case] => first-letter
                            [*] => TRANSPORTATION talk
                            [canonical] => TRANSPORTATION talk
                        )

                    [134] => Array
                        (
                            [id] => 134
                            [case] => first-letter
                            [*] => ER
                            [canonical] => ER
                        )

                )

        )

)