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Basic PHP

Basic PHP
PHP files have a default file extension of_______.

.html
.ph
.php
.xml

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Basic PHP
Some PHP code might not have a namespace and therefore lives in the . . . . . . namespace.

Global
PRE
Default
Automatic

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

\n
\r
/n
/r

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

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

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Basic PHP
What is the value of $a and $b after the function call?
function doSomething( &$arg ) {
$return = $arg;
$arg += 1;
return $return;
}
$a = 3;
$b = doSomething( $a );

Both are 4
a is 4 and b is 3
Both are 3
a is 3 and b is 4

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

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

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