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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";

$color
Error
red
red

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

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

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

5
54321
555555555…infinitely
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "/$looser";
echo $a,$b;

$winner/$looser
/
/$looser
$looser

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "green";
echo "$color1" . "$color2";

green
redgreen
red
red green

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 2;
while (++$i) {
while ($i --> 0)
print $i;
}

210
no output
10
infinite loop

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