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PHP Operators and Expressions

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

15
$z
$x + $y
10 + 5

ANSWER DOWNLOAD EXAMIANS APP

PHP Operators and Expressions
What will be the output of the following PHP code ?
define('IF', 42);
echo "IF: ", IF;

IF:42
No output
IF:
ERROR

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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
Hello World
Nothing
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = red;
$color2 = green;
echo "$color1"."$color2";

green
red
red green
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

No 1
No 2
Yes 2
Yes 1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 2;
while (++$i) {
while ($i --> 0)
print $i;
}

infinite loop
10
no output
210

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