php 求3值最小值函数

<?php
$a = 5;
$b = 3;
$c = 8;

$minValue = min($a, $b, $c);
echo "The minimum value is: " . $minValue; // 输出: The minimum value is: 3
?>

<?php
function minOfThree($a, $b, $c) {
    return $a < $b ? ($a < $c ? $a : $c) : ($b < $c ? $b : $c);
}

$a = 5;
$b = 3;
$c = 8;

$minValue = minOfThree($a, $b, $c);
echo "The minimum value is: " . $minValue; // 输出: The minimum value is: 3
?>

<?php
$a = 5;
$b = "3";
$c = 8;

// 确保所有参数都是数值类型
$a = (int)$a;
$b = (int)$b;
$c = (int)$c;

$minValue = min($a, $b, $c);
echo "The minimum value is: " . $minValue; // 输出: The minimum value is: 3
?>