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Basic PHP

Basic PHP
Multiple namespaces cannot be defined in the same file.

TRUE
FALSE

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Basic PHP
Which of following variables can be assigned a value to it?
1. $3hello
2. $_hello
3. $this
4. $This

All of the mentioned
2, 3 and 4
Only 2
2 and 4

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Basic PHP
PHP does not support numbers written in hexadecimal, octal or scientific notation.

True
False

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

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Basic PHP
String values must be enclosed in ......

single quotes
double quotes
both A and B
none of above

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Basic PHP
If you echo a Boolean variable, the value FALSE displays as a .... and the value TRUE echoes as a .....

blank string, 2
blank string, 1
0, 1
empty variable, 1

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