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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
error
3

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x;
echo "$x";

Error
Nothing
1
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This"."was"."a"."bad"."idea";

This was a bad idea
This, was, a, bad, idea
Error
Thiswasabadidea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 1;
$k = 2;
print !(($i + $k) < ($j - $k));

0
1
true
false

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

this was a bad idea
thiswasabadidea
error
nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
one = 1;
two = 2;
three = 3;
four = 4;
echo "one / two + three / four";

1.25
Error
0.75
0.05

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