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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;

11111213
11111212
11111112
11121213

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

5.666667
5.67
none of above
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 1;
$d = 1;
print ++$a + ++$a+$a++;
print $a++ + ++$b;
print ++$d + $d++ + $a++;

368
error
742
869

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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
Yes 2
No 1
No 2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("VAR_NAME","test");
${VAR_NAME} = "value";
echo VAR_NAME;
echo ${VAR_NAME};

testtest
testvalue
error, constant value cannot be changed
test

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

0
Error
1
Nothing

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