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PHP Operators and Expressions

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 ?
$color1 = "red";
$color2 = "1";
$color3 = "grey";
echo "$color1" + "$color2" . "$color3";

grey
red1grey
0
1grey

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PHP Operators and Expressions
Ceil(-2.1) would be

-3
3
-2
2

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PHP Operators and Expressions
What is the output of given statement?Print 17 % 3;

5.666667
none of above
2
5.67

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PHP Operators and Expressions
The result of both the below expressions in PHP will be same:1) 3+4*22) (3+4)*2

TRUE
FALSE

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("NEW_GOOD_NAME_CONSTANT", "I have a value");
define("OLD_BAD_NAME_CONSTANT", NEW_GOOD_NAME_CONSTANT);
echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;

ERROR
I have a value
I have a valueNEW_GOO_NAME_CONSTANTS
I have a valueI have a value

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