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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");

this was a bad idea
thiswasabadidea
error
nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
# echo "Hello world";
echo "# Hello world";

Hello world# Hello world
# Hello world
Hello world
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 10;
$j = 0;
if ($i || ($j = $i + 10)) {
echo "true";
}
echo $j;

true0
true20
0
20

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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;

$looser
$winner$looser
\
$looser

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

__LINE__
2
ERROR
PHP is a scripting language

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