PHP array random value array_rand

Returns a set of keys for random entries of array. If you want to pick all entries in a randomized fashion you should be using:

//Get array value out from array random
//example random 4 array 
$randValues = array_intersect_key($input, array_flip(array_rand($input, 4)));

# pick a random key in your array:
$rand_key = array_rand($your_array);

# extract the corresponding value:
$rand_value = $your_array[$rand_key];

# remove the key-value pair from the array:
unset($your_array[$rand_key]);

ref: http://stackoverflow.com/questions/18046630/php-array-rand-random-value/25678043#25678043

By Keenlio, September 5, 2014

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