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PHP basics
1/25
PHP is considered a server-side scripting language
True
False
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2/25
Variables in PHP start with
var
variable
$
#
&
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3/25
Which of the following is the correct way to use the include command?
include 'file.txt';
include 'file.php';
file.php;
"file.php";
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4/25
Which function in PHP is used to read the content of a file?
file_get_contents()
fopen()
readfile()
file()
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5/25
How do you declare a constant in PHP?
const CONSTANT = 'value';
define('CONSTANT', 'value');
create_constant('CONSTANT', 'value');
#define CONSTANT 'value'
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6/25
What is the purpose of the 'include' statement in PHP?
To import classes from another file
To include HTML markup
To include and execute the specified file
To add external libraries
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7/25
Which global variable in PHP holds information about headers, paths, and script locations?
$_GET
$_POST
$_SERVER
$_ENV
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8/25
Which PHP function is used to check if a variable is an array?
is_array()
is_var_array()
array_check()
is_var()
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9/25
In PHP, what does the 'array_pop()' function do?
Removes the last element from an array
Deletes the first element of an array
Pops a new element into the array
Returns the value of the last element
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10/25
How can you declare a static variable in PHP?
static $var;
var static;
$static var;
static_var $var;
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11/25
Which of these is a valid way to start a PHP session?
session_start();
begin_session();
init_session();
start_session();
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12/25
What is the correct way to include a file in PHP without causing a fatal error if the file is missing?
include_once('file.php');
require('file.php');
include('file.php');
require_once('file.php');
Next >
13/25
Which PHP superglobal variable is used to access form data sent via POST method?
$_GET
$_POST
$_REQUEST
$_FORM
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14/25
Which PHP function is used to send a custom HTTP header?
set_header()
http_header()
header()
send_header()
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15/25
Which statement is true about PHP namespaces?
PHP does not support namespaces
Namespaces are used to create aliases for classes
Namespaces are used to organize code into logical groups
Namespaces are used for extending classes
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16/25
What is the default session timeout in PHP?
30 minutes
24 minutes
15 minutes
60 minutes
Next >
17/25
How can you create a multiline comment in PHP?
// comment
# comment
/* comment */
<!-- comment -->
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18/25
Which of the following is NOT a valid visibility keyword in PHP?
public
private
protected
internal
Next >
19/25
Which function in PHP is used to get the length of a string?
strlen()
strlength()
stringlen()
length()
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20/25
What is the purpose of the 'array_merge()' function in PHP?
Merges one or more arrays into one array
Finds the intersection of two arrays
Splits an array into multiple arrays
Duplicates an array
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21/25
How do you declare a global variable in PHP?
global $variable;
public $variable;
$variable = global;
declare($variable);
Next >
22/25
Which PHP function is used to convert all applicable characters to HTML entities?
htmlentities()
htmlspecialchars()
convert_to_html()
encode_html()
Next >
23/25
Which PHP method is used to create a new object from a class?
new
create
construct
initialize
Next >
24/25
How can you append an element to an existing array in PHP?
$array[] = 'new_element';
array_append($array, 'new_element');
$array.add('new_element');
append($array, 'new_element');
Next >
25/25
What does the 'compact()' function in PHP do?
Reduces the size of an array
Creates an array containing variables and their values
Compacts HTML output
Minimizes memory usage
Next >
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