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首页
>
课程
>
PHP Fun Breakthrough Class
>
constants and variables
constants and variables
目录列表
PHP Fun Breakthrough Class
History of PHP
History of PHP (opti...
PHP basic syntax
Introduction to PHP
Variables in PHP
echo
Comments in PHP
PHP data types
Introduction to PHP ...
PHP data type Boolea...
PHP data type intege...
PHP data type string
PHP data type floati...
PHP data type NULL
PHP data type array
PHP data type resour...
Chapter summary exer...
PHP constants and variables
constant
mutable variable
global variables
variable reference
PHP operations
Arithmetic operation...
Assignment operation
self-increasing, sel...
comparison operation
logic operation
PHP process control
if conditional struc...
if..else..statement
if..elseif..else..st...
switch statement
while statement
do...while loop stat...
for loop
exit、break、continue、...
PHP functions
Function basic synta...
Introduction to cust...
Custom function call...
Anonymous function o...
Internal functions o...
Variable scope of cu...
Reference to paramet...
Recursive function o...
Static variables of ...
System function
PHP arrays and data structures
Array definition
Operate array
for loop iterates th...
foreach traverses as...
The list and each fu...
PHP operation file
File system introduc...
fopen, fread, fclose...
fwrite cooperates wi...
PHP file upload
File upload introduc...
File upload configur...
File upload steps
Notes on file upload...
Training in this sec...
Final exercise
basic grammar
type of data
constants and variab...
Operation
process control
function
Arrays and data stru...
Operation files
将下列排序修改正确。
echo php_cn;
<?php
?>
define('php_cn','hello,PHP中文网');
填空,让下列代码输出“PHP中文网”。
<?php
$Hello = "PHP中文网";
$a = "
" ;
echo
a;
?>
变量引用符号是?
&
%
@
#
1
/3
继续
正确
错误