\DtApp\ThinkLibrary\helperStrings

字符串管理类

Summary

Methods

Properties

Constants

extractBefore()
extractRear()
filter()
exitContain()
len()
trimAll()
replace()

No public properties found

No constants found

No protected methods found

No protected properties found

N/A

No private methods found

No private properties found

N/A

File: helper/Strings.php
Package: ThinkLibrary\helper
Class hierarchy: \DtApp\ThinkLibrary\helper\Strings

Methods

extractBefore()

extractBefore(string  $str, integer  $start_num, integer  $end_num) : string

截取字符串前面n个字符

Parameters

string	$str	字符串
integer	$start_num	开始位置
integer	$end_num	多少个

Returns

string

extractRear()

extractRear(string  $str, integer  $num) : string

截取字符串最后n个字符截取字符串最后n个字符

Parameters

string	$str	字符串
integer	$num	多少个

Returns

string

filter()

filter(string  $str) : string

过滤字符串

Parameters

string

$str

Returns

string

exitContain()

exitContain(  $str, integer  $nee = 3, string  $del = ',') : boolean

判断字符串是否包含某个字符

Parameters

	$str
integer	$nee
string	$del

Returns

boolean

len()

len(string  $str) : integer

统计字符串长度

Parameters

string

$str

字符串

Returns

integer

trimAll()

trimAll(  $str) : string|array<mixed,string>

字符串删除空格

Parameters

$str

Returns

string|array<mixed,string>

replace()

replace(string  $search, string  $replace, string  $subject) : string|array<mixed,string>

替换字符串

Parameters

string	$search
string	$replace
string	$subject

Returns

string|array<mixed,string>