PHP - Variables and Data Types
What will be the output of the following PHP code?
$x = '7 oranges';
$y = 7;
var_dump($x == $y);
What will be the output of the following PHP code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand type juggling
When using ==, PHP converts the string to a number if compared with an integer.Step 2: Convert string to number
"7 oranges" converts to integer 7.Step 3: Compare values
7 == 7 evaluates to true.Final Answer:
bool(true) -> Option CQuick Check:
String starting with number converts to that number [OK]
Quick Trick: Strings starting with digits convert to those digits [OK]
Common Mistakes:
- Assuming string and integer are always different with ==
- Expecting var_dump to output string instead of bool
- Confusing === with == operator behavior
Master "Variables and Data Types" in PHP
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