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Bug #43761 fatal error: undefined functions: bcadd(), bcsub()
Submitted: 2008-01-05 19:49 UTC Modified: 2008-01-05 20:48 UTC
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: george dot girtsou at gmail dot com Assigned:
Status: Not a bug Package: BC math related
PHP Version: 5.2.5 OS: Linux
Private report: No CVE-ID: None
 [2008-01-05 19:49 UTC] george dot girtsou at gmail dot com
I get an undefined bcadd() function error on PHP 5.2.5.

"Fatal error: Call to undefined function bcadd() in <myfile> on line <line>"

On manual it says bcadd() function is supported in PHP 4 and PHP 5.

Thank you.


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 [2008-01-05 20:12 UTC] george dot girtsou at gmail dot com
Just found that the problem is with both bcadd() and bcsub() functions.
 [2008-01-05 20:48 UTC]
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at and the instructions on how to report
a bug at

Please compile PHP with --enable-bcmath (and do a make distclean before, if needed). BCmath is disabled by default (See Installation section in the bcmath manual pages)
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