Revision: 59662
Updated Code
at September 23, 2012 06:29 by eortiz
Updated Code
/**
* sum values in array
*
* @param array $arr
* @param string [optional]$index
* @return int result
*/
function array_sum_key( $arr, $index = null ){
if(!is_array( $arr ) || sizeof( $arr ) < 1){
return 0;
}
$ret = 0;
foreach( $arr as $id => $data ){
if( isset( $index ) ){
$ret += (isset( $data[$index] )) ? $data[$index] : 0;
}else{
$ret += $data;
}
}
return $ret;
}
//## To sum elements on a multidimensional finding defined key = 'pv' array
$sum = 0;
$array_obj = new RecursiveIteratorIterator(new RecursiveArrayIterator($array));
foreach($array_obj as $key => $value) {
if($key == 'pv')
$sum += $value;
}
echo $sum;
Revision: 59661
Initial Code
Initial URL
Initial Description
Initial Title
Initial Tags
Initial Language
at September 23, 2012 06:25 by eortiz
Initial Code
/**
* sum values in array
*
* @param array $arr
* @param string [optional]$index
* @return int result
*/
function array_sum_key( $arr, $index = null ){
if(!is_array( $arr ) || sizeof( $arr ) < 1){
return 0;
}
$ret = 0;
foreach( $arr as $id => $data ){
if( isset( $index ) ){
$ret += (isset( $data[$index] )) ? $data[$index] : 0;
}else{
$ret += $data;
}
}
return $ret;
}
Initial URL
Initial Description
Sum all elements of a bidimensional or multi-dimensional array with an assigned key
Initial Title
Sum keyed elements of an array
Initial Tags
math, array
Initial Language
PHP