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PHP Operators and Expressions

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

hihello
error
hello
infinite loop

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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 + $j) > ($j - $k));

0
1
no output
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

0
error
2
192

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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";

Error
0.75
1.25
0.05

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ((--$i > ++$i) - 1) {
print $i;
}

error
no output
-1-1-1-1-1-1-1-1-1-1…infinitely
00000000000000000000….infinitely

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$four4 = 4;
$three3 = 3;
$two2 = 2;
echo $four4 + $three3 / $two2 - 1;

Error
4.5
3.5
7

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