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PHP Operators and Expressions

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

1
0
Error
2

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

0
1
no output
2

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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);

error
true
false
1

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

echo “Hello world”
echo Hello world
Error
Hello world

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("VAR_NAME","test");
${VAR_NAME} = "value";
echo VAR_NAME;
echo ${VAR_NAME};

error, constant value cannot be changed
testtest
test
testvalue

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while (++$i && --$i) {
print $i;
}

1234567891011121314….infinitely
error
01234567891011121314…infinitely
no output

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