Php array function sequence: array_sum ()-calculate the sum of array element values _ php skills

The array_sum () function returns the sum of all values in the array. If all values are integers, an integer is returned. If one or more of the values are floating-point numbers, the return value is floating-point numbers. Array_sum () definition and usage
The array_sum () function returns the sum of all values in the array.

If all values are integers, an integer is returned. If one or more of the values are floating-point numbers, the return value is floating-point numbers.

In versions earlier than PHP 4.2.1, the input array itself is modified to convert the string value to a value (in most cases, it is converted to zero, depending on the specific system ).

Syntax
Array_sum (array)
Parameter description
Array is required. Specifies the input array.

Example 1

The code is as follows:

$ A = array (0 => "5", 1 => "15", 2 => "25 ");
Echo array_sum ($ );
?>

Output:

45
Example 2

The code is as follows:

$ A = array (0 => 5, 1 => 15, 2 => 25 );
Echo array_sum ($ );
?>

Output:

45
Example 3

The code is as follows:

$ A = array (0 => 5, 1 => 15.5, 2 => 25 );
Echo array_sum ($ );
?>

Output:

45.5
Example 4

The code is as follows:

$ A = array (0 => 5, 1 => "15 s", 2 => 25 );
Echo array_sum ($ );
?>

Output:

45
Example 5

The code is as follows:

$ A = array (0 => 5, 1 => "s15s", 2 => 25 );
Echo array_sum ($ );
?>

Output:

30