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Request #50228 Add function to eval strings as if they were heredoc'd
Submitted: 2009-11-19 11:50 UTC Modified: 2010-12-29 12:19 UTC
From: RQuadling at GMail dot com Assigned:
Status: Open Package: *General Issues
PHP Version: * OS: *
Private report: No CVE-ID: None
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From: RQuadling at GMail dot com
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 [2009-11-19 11:50 UTC] RQuadling at GMail dot com

I would like to suggest a heredoc() function along the lines of ...

string heredoc(string $template, [boolean $suppressErrors [, array 

The purpose of the the function would be to allow the contents of a 
string to be interpreted just as if it had been supplied as a variable 
rather than as a constant.

So the output of the example below would be Match.

$name = 'Richard';

$template = 'My name is {$name}';

$result = <<< END_RESULT
My name is {$name}.

echo $result === heredoc($template) ? 'Match' : 'Different';

Currently, to expand a template, output buffering and/or string/regex 
search/replace is required. Also eval() COULD be used but that has its 
own issues.

But it would seem all the processing logic already exists in the 
heredoc functionality.

Providing a function based upon the same functionality would certainly 
make templating easier.

The ability to suppress the generation of the errors and to capture 
the names of missing variables would allow for a degree of flexibility 
beyond the current implementation of heredoc, but could be worthwhile.


Richard Quadling.


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 [2010-12-29 12:19 UTC]
-Summary: A function to eval strings as if they were heredoc'd. +Summary: Add function to eval strings as if they were heredoc'd -Package: Feature/Change Request +Package: *General Issues -Operating System: Irrelevant +Operating System: * -PHP Version: 5.3SVN-2009-11-19 (snap) +PHP Version: *
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