PHP array_rand()

1 개요

PHP array_rand()

$fruits = ['Apple', 'Banana', 'Lemon', 'Melon'];
echo $fruits[array_rand($fruits)] . "\n";
# Banana
echo $fruits[array_rand($fruits, 1)] . "\n";
# Lemon

$fruits = ['Apple', 'Banana', 'Lemon', 'Melon'];
$rand_keys = array_rand($fruits, 3);
# Array
# (
#     [0] => 0
#     [1] => 2
#     [2] => 3
# )
echo $fruits[$rand_keys[0]] . "\n";
echo $fruits[$rand_keys[1]] . "\n";
echo $fruits[$rand_keys[2]] . "\n";
# Apple
# Lemon
# Melon

2 같이 보기

• PHP shuffle() - 배열을 섞음
• PHP 함수 get_random_element()
• PHP 인디언식 이름 짓기
• 함수 array_rand()

3 참고

• http://php.net/manual/kr/function.array-rand.php
• https://www.w3schools.com/php/func_array_rand.asp
• https://www.w3resource.com/php/function-reference/array_rand.php