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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '12345';
print "qwe{$a}rty";

qwe12345rty
error
no output
qwe{$a}rty

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

red
Error
$color
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ($i = 10) {
print "hi";
}
print "hello";

hihello
hello
infinite loop
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
class Constants{
define('MIN_VALUE', '0.0');
define('MAX_VALUE', '1.0');
public static function getMinValue() {
return self::MIN_VALUE;
}
public static function getMaxValue() {
return self::MAX_VALUE;
}
}
echo Constants::getMinValue();
echo Constants::getMaxValue();

01
0.01.0
No output
ERROR

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "Hello";
$two = "World";
echo $one, $two;

HelloWorld
Hello
World
Hello World

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";

Error
8
8 = 4 + 3 +1
4 = 4 + 3 + 1

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