1--TEST-- 2array_rand() tests 3--FILE-- 4<?php 5 6try { 7 var_dump(array_rand(array())); 8} catch (\ValueError $e) { 9 echo $e->getMessage() . "\n"; 10} 11 12try { 13 var_dump(array_rand(array(), 0)); 14} catch (\ValueError $e) { 15 echo $e->getMessage() . "\n"; 16} 17 18try { 19 var_dump(array_rand(array(1,2,3), 0)); 20} catch (\ValueError $e) { 21 echo $e->getMessage() . "\n"; 22} 23 24try { 25 var_dump(array_rand(array(1,2,3), -1)); 26} catch (\ValueError $e) { 27 echo $e->getMessage() . "\n"; 28} 29 30try { 31 var_dump(array_rand(array(1,2,3), 10)); 32} catch (\ValueError $e) { 33 echo $e->getMessage() . "\n"; 34} 35 36var_dump(array_rand(array(1,2,3), 3)); 37var_dump(array_rand(array(1,2,3), 2)); 38 39?> 40--EXPECTF-- 41array_rand(): Argument #1 ($array) cannot be empty 42array_rand(): Argument #1 ($array) cannot be empty 43array_rand(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array) 44array_rand(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array) 45array_rand(): Argument #2 ($num) must be between 1 and the number of elements in argument #1 ($array) 46array(3) { 47 [0]=> 48 int(%d) 49 [1]=> 50 int(%d) 51 [2]=> 52 int(%d) 53} 54array(2) { 55 [0]=> 56 int(%d) 57 [1]=> 58 int(%d) 59} 60