php二维数组去除重复值的方法:首先使用for循环来遍历数组每一个数组值;然后通过if语句判断,实现去除重复数组值即可。
php二维数组怎么去除重复值?
在php中,可以使用for循环来遍历数组每一个数组值,通过if语句判断,实现去除重复数组值。
具体介绍:
1、在test.php文件中,创建一个测试的二维数组,并保存在arr变量中。
2、使用count()方法计算二维数组子数组的个数,用于下面进行for循环。
3、创建一个for循环来遍历数组,在for循环内,先使用unset()方法删除当前遍历的数组值,再通过in_array()方法判断当前遍历的数组值是否在数组中有重复的值,如果没有,则把数组值保存在$res数组中。
5、使用print_r()方法输出已去除重复值的数组
6、在浏览器中运行test.php文件,查看打印的数组结果。
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