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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This"."was"."a"."bad"."idea";

This, was, a, bad, idea
Error
Thiswasabadidea
This was a bad idea

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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;

PHP is a scripting language
no output
$GREETING
GREETING

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 0x6db7;
print $a<<6;

no output
error
1797568
0x6dc0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "/$looser";
echo $a,$b;

/$looser
$looser
$winner/$looser
/

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

error
5
555555555…infinitely
54321

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

Error
123
012
000

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