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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";

Error
This was a bad idea
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("NEW_GOOD_NAME_CONSTANT", "I have a value");
define("OLD_BAD_NAME_CONSTANT", NEW_GOOD_NAME_CONSTANT);
echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;

I have a valueI have a value
I have a valueNEW_GOO_NAME_CONSTANTS
I have a value
ERROR

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1 + ++5;
echo $var1;

7
no output
error
6

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "Hello World"

Error
Nothing
Hello world
Hello world in italics

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PHP Operators and Expressions
What will be the output of the following PHP code ?
one = 1;
two = 2;
three = 3;
four = 4;
echo "one / two + three / four";

0.75
0.05
Error
1.25

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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();

000
Error
012
123

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