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Bug #17264 Cannot call a method of the local class from preg_replace with /e option.
Submitted: 2002-05-15 22:15 UTC Modified: 2002-06-01 10:18 UTC
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: sal at stodge dot org Assigned:
Status: Not a bug Package: Class/Object related
PHP Version: 4.2.1 OS: Linux
Private report: No CVE-ID: None
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 [2002-05-15 22:15 UTC] sal at stodge dot org
If you use preg_replace with the /e option from within a class you may want to call a method of the current class to perform the lookup. Intuativly a user might expect this code to work:

$whatever=preg_replace( $pattern,"$this->whatever('\\1')", $value );

That 2nd parameter is being evaluated outside the current class... In this context "$this" has no meaning outside the object,  So a method like "$this->whatever{foo)" can never be evaluated directly by this command.

The function works fine if you use it according to the instructions - that is you provide it with a globally available function it will work perfectly.

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 [2002-06-01 10:18 UTC]
You need to escape the '$', e.g.:

$whatever = preg_replace( $pattern,"\$this->whatever('\\1')", $value );
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