php random array



php random array

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shuffle associative and nonassociative array while preserving key, value pairs. also returns the shuffled array instead of shuffling it in place. <?php function shuffle_assoc($list) { if (!is_array($list)) return $list; $keys = array_keys($list); shuffle($keys); $random = array(); foreach ($keys as $key) $random[$key] = $list[$key];

php random array

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i agree with sebmil ( php.net/manual/en/function.arrayrand.php#) that "array_rand()" produces weird and very uneven random distribution (as of my local php .. and my public host's php ..). unfortunately, i haven't got any access either to a server with the latest php version. my info is for those of you 

php random array

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return value: returns a random key from an array, or an array of random keys if you specify that the function should return more than one key. php version: . changelog: as of php .., the resulting array of keys is no longer shuffled. as of php .., the random number generator is seeded automatically 

php random array

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example. randomize the order of the elements in the array: <?php $my_array = array("red","green","blue","yellow","purple"); shuffle($my_array); print_r($my_array); ?> run example » 

php random array

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use php rand function. <?php $input = array("neo", "morpheus", "trinity", "cypher", "tank"); $rand_keys = array_rand($input, ); echo $input[$rand_keys[]] . "\n"; echo $input[$rand_keys[]] . "\n"; ?> more help · share|improve this answer · edited feb ' at : · aman kumar. ,. answered dec 

php random array

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stop being lazy and google first before asking. here is the code anyways. <?php $input = array("white", "black", "green", "blue"); $rand_keys = array_rand($input, ); echo $input[$rand_keys[]] . "\n"; echo $input[$rand_keys[]] . "\n"; ?>

php random array

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php offers you several ways to get a random value of the array. one simple way is by using the array_rand() function. array_rand() expects the array as a parameter and returns a random index value as integer which then can be used to get the array value.

php random array

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php function get random array key a simple and short php tutorial and complete reference manual for all builtin php functions. this tutorial is designed for beginners to advanced developers. you will learn php builtin function, predefined variables examples, object oriented php, numbers, scalars, arrays, hash 

php random array

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very often you will find yourself not wanting to read from your array in a strictly ordered fashion, and in this situation you need to make use of either shuffle() or array_rand(). shuffle() takes the entire array and randomises the position of the elements in there. in earlier versions of php the shuffle() algorithm was not very good, 

php random array

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use this snippet for grabbing a random item from an array in php $fruits = ['apple', 'banana', 'carrot', 'date', 'elderberry']; echo array_rand(array_flip($fruits)); => 'banana'. php's array_flip makes the keys the values and the values the keys. array_flip(['apple', 'banana', 'carrot', 'date', 'elderberry']); => [ "apple" => , "banana"