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What will be the output of the following PHP code (18)?

82. What will be the output of the following PHP code?

<?php
$a = 123;
$b = "123";

var_dump($a !== $b); 
?>

1. Error
2. bool(false)
3. bool(true)
4. true

Answer: C) bool(true)

Explanation:

The statement $a !== $b will return true because the types of $a and $b are not equal. And, the var_dump() function will return the type and value of the expression. Thus, the output will be bool(true).