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PEAR Manual
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HTML_Template_Sigma::placeholderExists() -- Checks whether the placeholder exists

string HTML_Template_Sigma::placeholderExists (string $placeholder [, string $block = ''])

Checks whether the placeholder exists in the template, returns the name of the (first) block that contains the specified placeholder.

string $placeholder: Name of the placeholder you're searching
string $block: 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 25-1. Possible PEAR_Error values

Error code	Error message	Reason	Solution
`SIGMA_BLOCK_NOT_FOUND`	Cannot find block '`$block`'	There is no block `$block` in the template	Check the block name spelling, check whether you added all the necessary blocks to the template

This function can not be called statically.

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HTML_Template_Sigma::parseCurrentBlock()	Up	HTML_Template_Sigma::replaceBlock()