Quiz | Croma Campus

How do you get the last inserted ID in MySQL using PHP?

mysql_insert_id()
mysql_last_id()
mysql_get_id()
mysql_last_insert_id()

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Which method is used to retrieve data from a form using the GET method?

$_POST[]
$_REQUEST[]
$_GET[]
$_FORM[]

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Which of the following is the correct way to declare a PHP variable?

var $variable;
$variable;
declare $variable;
dim $variable;

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Which function is used to remove the last element from an array in PHP?

pop()
array_pop()
remove_last()
array_remove_last()

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Which function is used to check if a file exists in PHP?

file_exist()
file_exists()
is_file_exist()
does_file_exist()

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How do you decode JSON data in PHP?

json_decode()
json_unserialize()
decode_json()
unserialize_json()

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What is the correct way to create a function in PHP?

function functionName() { }
create functionName() { }
define functionName() { }
make functionName() { }

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How do you get the current date and time in PHP?

date("Y-m-d H:i");
getdate();
current_date();
datetime();

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How do you check if a variable is set in PHP?

isset($variable);
var_set($variable);
defined($variable);
is_set($variable);

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Which of the following is not a valid variable name in PHP?

$var_name
$varName
$var-name
$varName2

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Which function is used to open a file in PHP?

open()
fopen()
file_open()
file()

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How do you decode JSON data in PHP?

json_decode()
json_unserialize()
decode_json()
unserialize_json()

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Which function is used to replace a substring in PHP?

replace()
substr_replace()
str_replace()
string_replace()

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How do you convert a string to uppercase in PHP?

strtoupper()
toupper()
string_upper()
str_uppercase()

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How do you create an array in PHP?

array[] = {1, 2, 3};
array(1, 2, 3);
new array(1, 2, 3);
create_array(1, 2, 3);

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Which function is used to start output buffering in PHP?

ob_start()
start_buffer()
buffer_start()
output_buffer_start()

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How do you send an email using PHP?

mail()
send_mail()
email()
smtp_send()

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Which of the following is not a valid variable name in PHP?

$var_name
$varName
$var-name
$varName2

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Which function is used to check if a file exists in PHP?

file_exist()
file_exists()
is_file_exist()
does_file_exist()

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What does OOP stand for in PHP?

Object Oriented Programming
Original Object Programming
Outer Object Programming
Optimal Object Programming

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How do you get the file extension of a file in PHP?

file_ext()
pathinfo()
get_extension()
file_extension()

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How do you remove whitespaces from the beginning and end of a string?

trim()
strip()
ltrim()
rtrim()

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Which function is used to fetch a result row as an associative array?

mysql_fetch_array()
mysql_fetch_assoc()
mysql_fetch_row()
mysql_fetch_object()

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What is the correct way to start a session in PHP?

session_start();
start_session();
begin_session();
session_begin();

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What is the correct way to close a MySQL connection in PHP?

mysql_end()
mysql_close()
close_mysql()
mysql_disconnect()

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How do you end a session in PHP?

session_end();
session_destroy();
end_session();
session_unset();

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Which function is used to read a file into an array?

file()
read_file()
file_read()
array_file()

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How do you check if a variable is set in PHP?

isset($variable);
var_set($variable);
defined($variable);
is_set($variable);

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How do you create a loop in PHP?

for loop
while loop
do loop
foreach loop

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How do you write "Hello World" in PHP?

echo "Hello World";
print("Hello World");
document.write("Hello World");
printf("Hello World");

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