Correct return value for PHP internal functions on failure #258
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Correct return value for functions:
bzopen()dio_open()expect_popen()fam_open()fdf_open()ibase_blob_open()mcrypt_module_open()openal_device_open()pfsockopen()radius_acct_open()radius_auth_open()rpm_open()sqlite_open()sqlite_popen()Return type declared as
resource, butfalsereturned on failure.