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Basic PHP

Basic PHP
What will be the output of the following PHP code?
$color = "maroon";
$var = $color[2];
echo "$var";

r
a
$var
Error

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Basic PHP
Which of the below namespace declaration is correct?

namespace ORA:
namespace 1_RA;
namespace ORA;
namespace ORA_#;

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Basic PHP
PHP is an open source software.

False
True

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Basic PHP
Within a namespace, for accessing the built-in PHP classes you can prefix the class name with a . . . . . and let PHP look in the global class list.

ampersand
backslash
asterix
percent

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Basic PHP
Variables always start with a ........ in PHP

Dollar-sign
Pond-sign
Yen-sign
Euro-sign

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Basic PHP
Which of the following is not valid PHP code?

${“MyVar”}
$_10
$aVaR
&$something
$10_somethings

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