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| Bug #21212 | Quiet "Call to undefined function dl()" fatal error when ldap extension missing | ||
|---|---|---|---|
| Submitted: | 2017-05-17 18:42 UTC | ||
| From: | chealer | Assigned: | |
| Status: | Open | Package: | Net_LDAP2 (version 2.2.0) |
| PHP Version: | 5.6.30 | OS: | |
| Roadmaps: | (Not assigned) | ||
[2017-05-17 18:42 UTC] chealer
(Filipus Klutiero)
Description:
------------
Trying to connect calls checkLDAPExtension(). When the ldap PHP module is not present, a fatal error will occur unless the dl() function is available, due to a call to that function without checking its existence:
if (!extension_loaded('ldap') && !dl('ldap.' . PHP_SHLIB_SUFFIX)) {
return new Net_LDAP2_Error("It seems that you do not have the ldap-extension installed. Please install it before using the Net_LDAP2 package.");
} else {
return true;
}
Moreover, due to the use of the @ operator, that fatal error is suppressed, which typically means the requests yields a blank page.
This bug is already present in 2.0.10. The dl function is missing when using XAMPP 5.6.30 on Windows, but is still present in some SAPI-s. This can be solved with:
if (!extension_loaded('ldap') && (! function_exists('dl') || !@dl('ldap.' . PHP_SHLIB_SUFFIX))) {
Or perhaps using PEAR::loadExtension().