php - Joomla: can't find code of something -


i need change information in block in sidebar. found need in temples/mytemplate/index.php file. here can see such tag (_rss_news): enter image description here

how can find code of _rss_news example?

_rss_news example, need thing. main question it? , how find it? 

<?= _variable ?>

i tried find need in database, , tried open lot of files , seatch tag. efforts unsuccessful...

i'm using old joomla. problem doesn't here.

please me! thank much!

do use ide netbeans??i has hint or autocomplete,and perfect.i more dreamweaver shouldn't ( never) try finding methods,varrible test , errors. netbeans work easly conditionally function defined. should developing web should extentions webdevoloper , firebug easy in devoloping.

goodluck


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