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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$color = "red";
echo "$color";
echo "$COLOR";
echo "$Color";

redred
red
Error
redredred

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = 1;
print($one);
print $one;

01
10
11
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

-4
-5
51
41

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PHP Operators and Expressions
Ceil(-2.1) would be

-2
2
3
-3

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3, 4, 5, 6;
echo "$x";

Error
4
3
6

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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
no output
$GREETING

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