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Basic PHP

Basic PHP
What will be the output of the following php code?
$num = "1";
$num1 = "2";
print $num+$num1;

3
Error
1+2
12

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Basic PHP
PHP considers the following values as False

both A and B
the integer 0
All of Above
the one-character string 0
constant NULL

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Basic PHP
Which of the looping statements is/are supported by PHP?
1. for loop
2. while loop
3. do-while loop
4. foreach loop

All of the mentioned
1, 2 and 3
None of the mentioned
1 and 2

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Basic PHP
What will be the output of the following code?
$foo = 'Bob';
$bar = &$foo;
$bar = "My name is $bar";
echo $bar;
echo $foo;

My name is Bob Bob
Error
My name is BobMy name is Bob
My name is BobBob

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Basic PHP
With the introduction of namespaces, the same function name can be used in multiple places.

TRUE
FALSE

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Basic PHP
You can test the type of any variable with the ..... function.

gettype()
settype()
whattype()
showtype()

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