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PHP编程:第4版
book

PHP编程:第4版

by Kevin Tatroe, Peter MacIntyre
January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Publishing House of Electronics Industry
Content preview from PHP编程:第4版
22
2
语言基础
分大小写的。
2-1PHP中的核心语言关键字
__CLASS__ echo insteadof
__DIR__ else interface
__FILE__ elseif isset()
__FUNCTION__ empty() list()
__LINE__ enddeclare namespace
__METHOD__ endfor new
__NAMESPACE__ endforeach or
__TRAIT__ endif print
__halt_compiler() endswitch private
abstract endwhile protected
and eval() public
array() exit() require
as extends require_once
break final return
callable finally static
case for switch
catch foreach throw
class function trait
clone global try
const goto unset()
continue if use
declare implements var
default include while
die() include_once xor
do instanceof yield
yield from
此外,不能使用和
PHP
内置函数同名的标识符。完整的内置函数清单请查阅附录
A
数据类型
PHP
提供了八种类型的值或称为数据类型 ...
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Publisher Resources

ISBN: 9787121404634