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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
function fun() {
static $x = 0;
echo $x;
$x++;
}
fun();
fun();
fun();

111
Error
012
123

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 1;
$k = 2;
print !(($i + $k) < ($j - $k));

1
false
true
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
while ((--$i > ++$i) - 1) {
print $i;
}

error
00000000000000000000….infinitely
no output
-1-1-1-1-1-1-1-1-1-1…infinitely

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

0
Error
True
Nothing

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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 ?
define("GREETING", "PHP is a scripting language");
echo $GREETING;

no output
PHP is a scripting language
GREETING
$GREETING

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