How to delete values ​​in a two-dimensional array in php

php method to delete values ​​in a two-dimensional array: you can use the foreach statement combined with the unset function to delete, such as [foreach($array as $key=>$value){if($key== 'a')[unset($array[$key]);]}].

The unset() function is used to clear and destroy variables. For unused variables, we can use unset() to destroy elements.

(Learning video recommendation: java video tutorial)

The same principle as deleting a one-dimensional array, you can delete the corresponding element through the key name of the array.

Example:

array('a1','a2'),'b'=>array('b1','b2'));
foreach($array as $key=>$value){
if($key == 'a')[
unset($array[$key]);
}
//或者删除二维数组中二维中的元素
if($key == 'a')[
unset($array[$key][0]);
}
}
print_r($array);
?>

Related recommendations:php training

The above is the detailed content of How to delete values ​​in a two-dimensional array in php. For more information, please follow other related articles on the PHP Chinese website!