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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 1;
$d = 1;
print ++$a + ++$a+$a++;
print $a++ + ++$b;
print ++$d + $d++ + $a++;

error
869
742
368

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1;
echo $var1 = ++$var1 % 2 + ++$var1;

3
0
1
2

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

2
0
1
Error

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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
true
error
false

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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
15
10 + 5

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

Hello world
Nothing
Hello
Error

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