min and max in multidimensional-array

Question

hi i am trying to find min and max values of x and y how can i find this min and max functions is not working correctly

$dataPoints = array(
 array(\'x\' =&g         


        

Answer 1

You can use PHP's array_column() (PHP 5 >= 5.5.0) for this:

$min_x = min( array_column( $dataPoints, 'x' ) );
$min_y = min( array_column( $dataPoints, 'y' ) );
$max_x = max( array_column( $dataPoints, 'x' ) );
$max_x = max( array_column( $dataPoints, 'y' ) );