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PHP Operators and Expressions

PHP Operators and Expressions
The result of below two statements will be:Round(2.5)Round(-2.5)

3, -3
3.5, -3.5
2, -2
2.5, -2

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PHP Operators and Expressions
In order to find if a variable holds an actual number or a string containing characters that can be translated into a number you can use:

is_num()
if_numeric
is_numeric()
is_number()

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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 ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

-4
51
41
-5

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "green";
echo "$color1" . "$color2";

green
redgreen
red green
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This is India";

This is
Error
This is India
This is India

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MORE MCQ ON PHP Operators and Expressions

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