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PHP Operators and Expressions

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 1
no output
error
result is true

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

hello world
nothing
echo hello world
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3, 4, 5, 6;
echo "$x";

4
Error
3
6

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "one";
$two = "one";
print($one == $two);

1
false
error
true

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

Missing semicolon error
Nothing
Error
Hello World

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

192
2
error
0

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