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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

thiswasabadidea
nothing
this was a bad idea
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("__LINE__", "PHP is a scripting language");
echo __LINE__;

ERROR
__LINE__
2
PHP is a scripting language

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

-5
41
51
-4

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
{
echo "$x";
}

0
5
Error
Nothing

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

1
red1
red 1
0

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

no output
2
1
0

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