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首页
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课程
>
PHP Fun Breakthrough Class
>
basic grammar
basic grammar
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
填空，在页面显示“PHP中文网”。
<?php
php_cn
"PHP中文网";
php_cn;
?>
在PHP开发中最常用的注释有几种？
1
2
3
4
以下说法正确的有哪些？
变量的开头符号是 $
变量可以依数字开头
变量区分大小写。
变量开头不能是下划线。
1
/3
继续
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