php 查找数组中是否存在项目

Posted 2021-05-05

<?php 

$array = array('green','red','blue','yellow');
$color = 'blue';

function find($item, $array) {
    if ( in_array(strtolower($item), $array) || in_array(strtoupper($item), $array) ) {
        echo "Found $item in array";
    } else {
        echo "Sorry, $item was not found in array";
    }
}

find($color, $array);