Solution:Step 1: Convert each array element to number in addition'10' -> 10, 20 -> 20, '30 apples' -> 30, 'forty' -> 0 (non-numeric string).Step 2: Sum all converted values10 + 20 + 30 + 0 = 60.Final Answer:60 -> Option AQuick Check:Non-numeric strings convert to 0 in math sums [OK]

[Solved] Given this code:$data = ['10', 20, '30 apples', 'forty'];$sum = 0;foreach ($data as $item) { $sum += $item;}echo $sum;What is the output? | PHP

PHP - Variables and Data Types

Given this code:

$data = ['10', 20, '30 apples', 'forty'];
$sum = 0;
foreach ($data as $item) {
  $sum += $item;
}
echo $sum;

What is the output?

A60

B100

C60 applesforty

DError

Step-by-Step Solution

Solution:

Step 1: Convert each array element to number in addition
'10' -> 10, 20 -> 20, '30 apples' -> 30, 'forty' -> 0 (non-numeric string).
Step 2: Sum all converted values
10 + 20 + 30 + 0 = 60.
Final Answer:
60 -> Option A
Quick Check:
Non-numeric strings convert to 0 in math sums [OK]

Quick Trick: Non-numeric strings become 0 when added in PHP [OK]

Common Mistakes:

Expecting string concatenation
Thinking 'forty' causes error

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Given this code:

Step 1: Convert each array element to number in addition

Step 2: Sum all converted values

Final Answer:

Quick Check:

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