Question

How to calculating the sum of integers in one dimensional int array in PHP

Answer 1

$arr = array(1, 2, 3, 4, 5);

echo "sum arr = " . array_sum($arr);

/*
run:
 
sum arr = 15 
  
*/

 

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Answer 2

$arr = array("a" => 1, "b" => 2, "c" => 3, "d" => 4, "e" => 5);

echo "sum arr = " . array_sum($arr);

/*
run:
 
sum arr = 15 
  
*/

 

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Answer 3

$sum = array_sum(array(1, 2, 3, 4, 5));

echo "sum arr = " . $sum;

/*
run:
 
sum arr = 15 
  
*/

 

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Answer 4

echo "sum arr = " . array_sum(array(1, 2, 3, 4, 5));

 

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