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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print ++$var++;

4
5
3
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ($i = 10) {
print "hi";
}
print "hello";

infinite loop
hihello
error
hello

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

none of above
5.666667
2
5.67

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define('IF', 42);
echo "IF: ", IF;

ERROR
No output
IF:
IF:42

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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";

Error
Hello
$one$two
HelloWorld

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '4';
print + + $a;

0
5
no output
error

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