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PHP Quiz for dummies #4
PHP Quiz for dummies #4
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Last updated: March 15, 2024
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| First submitted | March 15, 2024 |
| Times taken | 4 |
| Average score | 85.7% | Report this quiz | Report |
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1.
Which of the below statements is equivalent to $num += $num
$num = $num;
✓
$num = $num + 1;
✓
$num = $num + $num;
✓
$num = $num + $num + 1;
✓
2.
Which of the below symbols is a newline character ?
\n
✓
/n
✓
/t
✓
\t
✓
3.
Which of the following function is used to locate a string within a string ?
strsearch()
✓
search()
✓
strpos()
✓
locate()
✓
4.
Which statement will output $x on the screen ?
echo "$x;";
✓
echo "$$x";
✓
echo "\$x";
✓
echo "/$x";
✓
5.
What will be executed from the code below?
$a = 12;
($a == 12) ? 5 : 1
5
✓
1
✓
12
✓
error
✓
6.
Which of the following function can be used to get an array in the reverse order ?
array_reverse()
✓
array_split()
✓
array_search()
✓
array_shift();
✓
7.
Which function can be used to move the pointer to the previous array position ?
prev()
✓
before()
✓
last()
✓
previous()
✓
8.
If your object must inherit behavior from a number of sources you must use a/an?
Dynamic class
✓
Object
✓
Interface
✓
Static class
✓
9.
Which one of the following is the right way to invoke a method ?
$object::methodName();
✓
$object->methodName();
✓
object->methodName();
✓
object::methodName();
✓
10.
Which one of the following keyword is used to inherit our subclass into a superclass ?
include
✓
inherit
✓
implements
✓
extends
✓
11.
Which keyword allows class members (methods and properties) to be used without needing to instantiate a new instance of the class ?
private
✓
static
✓
public
✓
protected
✓
12.
Which of the following statements is/are true about Constructors in PHP ?
Constructors can accept parameters.
✓
Constructors can call class methods or other functions.
✓
Class constructors can call on other constructors.
✓
All of the Above
✓
13.
Which of the following method can be used to close a MySQL database using PHP ?
mysql_query()
✓
mysql_connect()
✓
mysql_close()
✓
None of the above
✓
14.
Which of the following advanced OOP features is/are not supported by PHP ?
Multiple Inheritance
✓
Method overloading
✓
All of the Above
✓
None of the above
✓
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