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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
define("__LINE__", "PHP is a scripting language");
echo __LINE__;

2
ERROR
PHP is a scripting language
__LINE__

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print "echo hello world";

nothing
error
echo hello world
hello world

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
if ($y-- == ++$y) {
echo $y;
}

no output
2
1
3

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print_r "Hello world"

Nothing
Missing semicolon error
Hello World
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
one = 1;
two = 2;
three = 3;
four = 4;
echo "one / two + three / four";

0.75
Error
1.25
0.05

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 3;
$d = $a++ + ++$b;
echo $d;

3
error
5
4

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