aks_var

aks_var – Easy variables and calculations TxP

Summary

aks_var operate with Txp variables and Custom Fields.

Tags

<txp:aks_var /> or <txp:aks_var>some…</txp:aks_var>
<txp:aks_evar /> same as <txp:aks_var />, but it display result. (evar – E cho VAR)

Attributes

Attribute	Sample	Description
// —— input $value
name	'my_var'	TXP variable
customfield	'my_cust_field'	Custom field
value	'12345 qwerty'	Init value, text or digits
avar	'SERVER_NAME'	apache variables, same as $_SERVER[$avar]
tvar	'url_title'	thisarticle variables, same as $GLOBALS[‘thisarticle’][$tvar]
var	'$GLOBALS["prefs"]["spam_blacklists"]'	ANY variables
// —— some calc
calc	'*5-(32-2)/4'	Any arithmetic operations + – * / …
substr	'2:7'	Same as PHP substr. WARNING – NO UTF-8 support
regexp	'/^(some text)/i'	preg_replace($regexp, $to, $value)
to	"It's $1"
// —— output $value
setname	'my_var2'	result to this TXP variable

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Examples dump: :)

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Variables

Example	Result	Comments
<txp:aks_var name="my_var" value="123" />	display none	set TXP variable my_var =123. It’s equal <txp:variable name=“my_var” value=“123” /> tag.
<txp:aks_evar name="my_var" />	123	only display my_var. It’s equal as <txp:variable name=“my_var” /> tag
<txp:aks_evar name="my_var" setname="other_var" />	123	other_var =my_var

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Custom Fields

Example	Comments
<txp:aks_evar customfield="my_cust_field" />	It’s equal as <txp:custom_field name=“my_cust_field” />
<txp:aks_evar customfield="my_cust_field" setname="my_var" />	my_var = my_cust_field //get custom field to TxP variable
<txp:aks_evar customfield="my_cust_field" substr="0:5" setname="my_var" />	my_var = substr(my_cust_field,0,5)

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CALC

Example	Result	Comments
<txp:aks_evar name="my_var" value="14" calc="/2" />	7	my_var =14/2
<txp:aks_evar name="my_var" calc="+1" />	8	my_var =my_var+1
<txp:aks_evar name="my_var" calc="*2+(24-4)/2" setname="other_var" />	26	other_var =my_var*2+(24-4)/2 // my_var – no change

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SUBSTR

Example	Result	Comments
<txp:aks_evar name="my_var" value="123456789" substr="3" />	456789	my_var =substr(‘123456789’,3) // WARNING – NO UTF-8 support
<txp:aks_evar name="my_var" substr="2:3" setname="other_var" />	678	other_var =substr(my_var,2,3)

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REGEXP

Change \r\n to <br />

<txp:aks_evar regexp="/[\r\n]+/s" to="<br />">

Some text
next line
next
etc
</txp:aks_evar>

Get subdomain name. Sample: abc.domain.com => abc and www.abc.domain.com => abc

<txp:aks_evar avar='SERVER_NAME' regexp="/^(www\.)?(.*?)\..*$/i" to="$2" />

2DO

• preg_replace done
• apache variables done
• some other TxP variables done
• split

Changelog

0.2

• add preg_replace
• add read apache, PHP, TxP variables
• allow include txp tags: <txp:aks_var value=”<txp:title />” /> or <txp:aks_var><txp:title /></txp:aks_var>