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PHP Operators and Expressions

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

2
PHP is a scripting language
__LINE__
ERROR

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo $red;

Nothing
0
Error
True

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

error
7
6
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$auth = 1;
$status = 1;
if ($result = (($auth == 1) && ($status != 0))) {
print "result is $result";
}

result is true
result is 1
no output
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
$y = 10;
$z = "$x + $y";
echo "$z";

$z
$x + $y
10 + 5
15

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PHP Operators and Expressions
Ceil(-2.1) would be

-2
3
2
-3

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