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intersect函数
array_intersect() function is used to find the matched elements from two or more elements. Function “array_intersect()” compares the values of the first array with the other arrays and returns matched elements.
array_intersect()函数用于从两个或多个元素中查找匹配的元素。 函数“ array_intersect()”将第一个数组的值与其他数组进行比较,并返回匹配的元素。
Syntax:
句法:
array_intersect(array1, array2, [array3,...]);
Here, array1, array2 are the input arrays other arrays are an optional.
在这里, array1 , array2是输入数组,其他数组是可选的。
Examples:
例子:
Input: $arr1 = array("Hello", "Hi", "Okay", "Bye!"); $arr2 = array("Okay", "Hello", "Bye", "Hi"); Function calling: array_intersect($arr1, $arr2); Output: Array ( [0] => Hello [1] => Hi [2] => Okay )
PHP code 1: Comparing two string arrays.
PHP代码1:比较两个字符串数组。
Output
输出量
Array( [0] => Hello [1] => Hi [2] => Okay)
PHP code 2:Comparing three arrays with strings & numbers.
PHP代码2:将三个数组与字符串和数字进行比较。
Output
输出量
Array( [3] => Hello [6] => 50)
翻译自:
intersect函数
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