require_once 'HTML/Template/Sigma.php';
string HTML_Template_Sigma::placeholderExists (string $placeholder [, string $block = ''])
string HTML_Template_Sigma::placeholderExists
Checks whether the placeholder exists in the template, returns the name of the (first) block that contains the specified placeholder.
Name of the placeholder you're searching
Name of the block to scan. If left out (default) all blocks are scanned.
return Name of the (first) block that contains the specified placeholder. If the placeholder was not found an empty string is returned.
Table 41-1. Possible PEAR_Error values
This function can not be called statically.
