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PHP Operators and Expressions

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

GREETING
PHP is a scripting language
$GREETING
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "Hello";
$two = "World";
echo $one, $two;

World
Hello World
HelloWorld
Hello

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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";

1.25
0.75
0.05
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
int $one = 1;
echo "$one";

Error
1
0
$one

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";

4 = 4 + 3 + 1
8
Error
8 = 4 + 3 +1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

error
2
0
192

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