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Basic PHP

Basic PHP
Which of the below symbols is a newline character?

\n
\r
/n
/r

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Basic PHP
It is possible to create a hierarchy of namespaces in PHP.

FALSE
TRUE

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Basic PHP
Which of the below statements is equivalent to $add += $add ?

$add = $add +$add
$add = $add + 1
$add = $add + $add + 1
$add = $add

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Basic PHP
The value of __NAMESPACE__ is a string that contains the current namespace name. In global, un-namespaced code, it contains . . . . . .

NULL
gibberish value
0
an empty string

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Basic PHP
PHP considers the following values as False

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

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Basic PHP
What will be the output of the following PHP code?
$score = 1234;
$scoreboard = (array) $score;
echo $scoreboard[0];

Error
1
1234
2

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