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php-如何检查第二个数组中是否至少存在第一个数组的一个元素_Php_Arrays - Fatal编程技术网

php-如何检查第二个数组中是否至少存在第一个数组的一个元素

php-如何检查第二个数组中是否至少存在第一个数组的一个元素,php,arrays,Php,Arrays,我有两个数组:数组(“蓝色”、“黄色”)和数组(“蓝色”、“绿色”、“红色”、“紫色”)。是否有一个函数可以检查这两个数组是否至少有一个公共元素值(“蓝色”)——只返回true或false $array1 = array("blue", "yellow"); $array2 = array("blue", "green", "red"); return count(array_intersect($array1, $array2)) > 0;

我有两个数组:
数组(“蓝色”、“黄色”)
数组(“蓝色”、“绿色”、“红色”、“紫色”)
。是否有一个函数可以检查这两个数组是否至少有一个公共元素值(“蓝色”)——只返回true或false

$array1 = array("blue", "yellow");
$array2 = array("blue", "green", "red");

return count(array_intersect($array1, $array2)) > 0;