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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "1";
$color3 = "grey";
echo "$color1" + "$color2" . "$color3";

red1grey
grey
1grey
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1 + ++5;
echo $var1;

no output
error
7
6

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;

Error
0
1
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 10;
if ($a = 5)
$b--;
print $a;
print $b--;

108
109
58
59

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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 23
no output
true 33
true 22

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
if (**$y == 4) {
echo $y;
}

no output
error at line2
4
2

ANSWER DOWNLOAD EXAMIANS APP
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