Question

How to get random entries (indexes) out of an array in PHP

Answer 1

$arr = array("PHP", "C", "C++", "Java", "C#", "JavaScript");
$rand_entries = array_rand($arr, 3);
echo $arr[$rand_entries[0]] . "<br />";
echo $arr[$rand_entries[1]] . "<br />";
echo $arr[$rand_entries[2]] . "<br />";


/*
run:

C
Java
JavaScript
 
*/

 

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Answer 2

$arr = array("PHP", "C", "C++", "Java", "C#", "JavaScript");
$rand_entries_arr = array_rand($arr, 3);

foreach ($rand_entries_arr as $i)
        echo $arr[$i] . "<br />";


/*
run:

PHP
C
JavaScript
 
*/

 

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