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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
$GREETING
PHP is a scripting language
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

Yes 1
No 2
No 1
Yes 2

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

Missing semicolon error
Error
Hello World
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "$looser";
echo $a, $b;

$looser
\
$looser
$winner$looser

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

555555555…infinitely
54321
error
5

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

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

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