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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$color = "red";
echo "$color";
echo "$COLOR";
echo "$Color";

Error
red
redred
redredred

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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";

hihello
error
infinite loop
hello

ANSWER DOWNLOAD EXAMIANS APP

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 3;
$d = $a++ + ++$b;
echo $d;

5
error
4
3

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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};

test
testtest
error, constant value cannot be changed
testvalue

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

4.5
3.5
Error
7

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 1;
$y = 2;
if (++$x == $y++) {
echo "true ", $y, $x;
}

true 22
no output
true 23
true 33

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