links for 2008-09-26
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As arrays are complex data types, you cannot see their contents directly. If you try printing out the value of an array, you will see PHP just outputs "Array", which means that passing the value of an array through a link requires a lot of work. Luckily, PHP comes to the rescue with four functions that do all the hard work for you: serialize(), unserialize(), urlencode(), and urldecode().
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