You are looking at the HTML representation of the PHP format.
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 PHP format, set format=php.
See the complete documentation, or
API help for more information.
a:1:{s:5:"query";a:1:{s:10:"namespaces";a:18:{i:-2;a:4:{s:2:"id";i:-2;s:4:"case";s:12:"first-letter";s:1:"*";s:5:"Media";s:9:"canonical";s:5:"Media";}i:-1;a:4:{s:2:"id";i:-1;s:4:"case";s:12:"first-letter";s:1:"*";s:8:"Speciaal";s:9:"canonical";s:7:"Special";}i:0;a:4:{s:2:"id";i:0;s:4:"case";s:12:"first-letter";s:1:"*";s:0:"";s:7:"content";s:0:"";}i:1;a:5:{s:2:"id";i:1;s:4:"case";s:12:"first-letter";s:1:"*";s:7:"Overleg";s:8:"subpages";s:0:"";s:9:"canonical";s:4:"Talk";}i:2;a:5:{s:2:"id";i:2;s:4:"case";s:12:"first-letter";s:1:"*";s:9:"Gebruiker";s:8:"subpages";s:0:"";s:9:"canonical";s:4:"User";}i:3;a:5:{s:2:"id";i:3;s:4:"case";s:12:"first-letter";s:1:"*";s:17:"Overleg gebruiker";s:8:"subpages";s:0:"";s:9:"canonical";s:9:"User talk";}i:4;a:5:{s:2:"id";i:4;s:4:"case";s:12:"first-letter";s:1:"*";s:25:"Modelspoorwijzer.net Wiki";s:8:"subpages";s:0:"";s:9:"canonical";s:7:"Project";}i:5;a:5:{s:2:"id";i:5;s:4:"case";s:12:"first-letter";s:1:"*";s:33:"Overleg Modelspoorwijzer.net Wiki";s:8:"subpages";s:0:"";s:9:"canonical";s:12:"Project talk";}i:6;a:4:{s:2:"id";i:6;s:4:"case";s:12:"first-letter";s:1:"*";s:7:"Bestand";s:9:"canonical";s:4:"File";}i:7;a:5:{s:2:"id";i:7;s:4:"case";s:12:"first-letter";s:1:"*";s:15:"Overleg bestand";s:8:"subpages";s:0:"";s:9:"canonical";s:9:"File talk";}i:8;a:5:{s:2:"id";i:8;s:4:"case";s:12:"first-letter";s:1:"*";s:9:"MediaWiki";s:8:"subpages";s:0:"";s:9:"canonical";s:9:"MediaWiki";}i:9;a:5:{s:2:"id";i:9;s:4:"case";s:12:"first-letter";s:1:"*";s:17:"Overleg MediaWiki";s:8:"subpages";s:0:"";s:9:"canonical";s:14:"MediaWiki talk";}i:10;a:4:{s:2:"id";i:10;s:4:"case";s:12:"first-letter";s:1:"*";s:8:"Sjabloon";s:9:"canonical";s:8:"Template";}i:11;a:5:{s:2:"id";i:11;s:4:"case";s:12:"first-letter";s:1:"*";s:16:"Overleg sjabloon";s:8:"subpages";s:0:"";s:9:"canonical";s:13:"Template talk";}i:12;a:5:{s:2:"id";i:12;s:4:"case";s:12:"first-letter";s:1:"*";s:4:"Help";s:8:"subpages";s:0:"";s:9:"canonical";s:4:"Help";}i:13;a:5:{s:2:"id";i:13;s:4:"case";s:12:"first-letter";s:1:"*";s:12:"Overleg help";s:8:"subpages";s:0:"";s:9:"canonical";s:9:"Help talk";}i:14;a:4:{s:2:"id";i:14;s:4:"case";s:12:"first-letter";s:1:"*";s:9:"Categorie";s:9:"canonical";s:8:"Category";}i:15;a:5:{s:2:"id";i:15;s:4:"case";s:12:"first-letter";s:1:"*";s:17:"Overleg categorie";s:8:"subpages";s:0:"";s:9:"canonical";s:13:"Category talk";}}}}