300+ câu trắc nghiệm tổng hợp Lập trình Web có đáp án - Phần 10

$item = (int) "100Laptop";

$tem = "int""100Laptop";

$item = [int] "100Laptop";

$item = INT"100Laptop";

dấu chấm đôi ( :: )

dấu phẩy ( , )

dấu chấm phẩy ( ; )

dấu chấm than ( ! )

true hay false

equal hay unequal

bigger hay smaller

yes hay no

!

?

%

$

typeless variable

headless variable

nameless variable

irrevelant variable

integer

double

string

boolean

<?php echo "Hello World"; ?>

<? echo "Hello World"; ?>

<% echo "Hello World"; %>

<! echo "Hello World"; !>

say

write

echo

cout<<

PHP: Hypertext Preprocessor

Personal Hypertext Processor

Private Home Page

Personal Home Processor

<?php…?>

<script>...</script>

<?php>...</?>

<&>...</&>

"Hello World";

Document.Write("Hello World");

echo "Hello World";

cout << “Hello World”;

<?php require("time.inc"); ?>

<?php include_file("time.inc"); ?>

<% include file="time.inc" %>

<!--include file="time.inc"-->

function myFunction()

create myFunction()

new_function myFunction()

Func myFunction()

fopen("time.txt","r");

open("time.txt","read");

open("time.txt");

fopen("time.txt","r+");

mysql_connect("localhost");

connect_mysql("localhost");

mysql_open("localhost");

dbopen("localhost");

$count =+1

++count

count++;

$count++;

<comment>…</comment>

/…/

<!--…-->

*..*

$my-Var

$myVar

$my_Var

$my_var

2

3

1

4

array_rand()

array_random()

Random_array()

Rand_array()

43

1

8

6

include[]

#include()

include()

#include{}

break()

quit()

die()

stop()

Error

15

10

5

42

56

NULL

x=42

fabcde

afedcb

babcdef

aabcde

23 dollars

203 dollars

320 dollars

23

5

0

15

10

keyboard

mouse

7

2

98

98.8

98.8 degrees

degrees