PHP array function sequence array_sum - calculates the sum of array element values

array_sum() definition and usage
array_sum() function returns the sum of all values ​​in the array.
If all values ​​are integers, return an integer value. If one or more of the values ​​is a floating point number, a floating point number is returned.
Pre-PHP 4.2.1 versions modified the passed array itself, converting its string values ​​into numeric values ​​(in most cases converted to zeros, depending on the system).
Syntax
array_sum(array)
Parameter Description
array Required. Specifies the input array.
Example 1

Copy the code The code is as follows:

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

?>


Output:
45

Example 3 Copy the code

The code is as follows:


$a=array(0=>5,1=>15.5,2=>25);
echo array_sum($a);

?>


Output:
45.5

Example 4 Copy the code

The code is as follows:


$a=array(0=>5,1=>"15s",2=>25);
echo array_sum($a);

?>


Output:
45

Example 5 Copy code

The code is as follows:


$a=array(0=>5 ,1=>"s15s",2=>25);
echo array_sum($a);

?>


Output:
30

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