libsodium "Call to undefined function" error

Question

I have installed libsodium and libsodium-php on ubuntu 16.04 but when I run:

`<?php
var_dump([
    \Sodium\library_version_major(),
    \Sodium\library_version_minor(),
    \Sodium\version_string()
]);`

I get an error saying:

PHP Fatal error:  Uncaught Error: Call to undefined function Sodium\library_version_major()

According to phpinfo() Sodium is enabled and the compiled version is 2.0.1 and the library version is 1.0.13. What am I doing wrong?

Frank Denis · Accepted Answer · 2017-07-15 23:45:59Z

5

The PHP API for libsodium has changed in version 2.0.0 of the extension.

Originally, all functions were in a \Sodium\ namespace.

However, following a vote by PHP developers regarding its inclusion in PHP 7.2, it was decided to move everything to the global namespace instead.

So, what used to be \Sodium\library_version_major() is now sodium_library_version_major().

answered Jul 15, 2017 at 23:45

Frank Denis

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7 Comments

T. Doe Over a year ago

Replacing \Sodium\library_version_major() with sodium_library_version_major() results in the same error.

Frank Denis Over a year ago

Bad example since that one was replaced with the SODIUM_LIBRARY_MAJOR_VERSION constant. But actual functions now have a sodium_ prefix.

undefinedman Over a year ago

I also got problems with it, thanks for the answer. Is there an official documentation for those new functions? Apparently they change more function names, since I cannot access sodium_crypto_pwhash_scryptsalsa208sha256_str(). On the libsodium website I can see only outdated examples.

Frank Denis Over a year ago

crypto_pwhash_scryptsalsa208sha256_str() doesn't exist any more. It doesn't exist any longer in minimal builds of libsodium either, since there has been a high-level crypto_pwhash() API for a long time now. So, use sodium_crypto_pwhash(), sodium_crypto_pwhash_str() and sodium_crypto_pwhash_str_verify().

AFwcxx Over a year ago

I did the same thing, and it's enabled in phpinfo(). But sodium_library_version_major() still get the same error.

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Behnam Alavi · Accepted Answer · 2020-01-10 09:29:23Z

3

For those who installed Pecl Version of Soidum and Enabled it in php.ini (extension=sodium.so) And Have same error like Call to Undefined ...

After Restarting Apache & nginx and lack of success finally Reboot server get sodium work exteremly.

PHP 7.3 & >7.3 = libsodium 2.1

Hope to be helpful.

answered Jan 10, 2020 at 9:29

Behnam Alavi

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Comments

Fimlore · Accepted Answer · 2021-03-22 18:35:26Z

3

For those who couldnt get the answer working.. thats because it should be:

<?php
var_dump([
    SODIUM_LIBRARY_MAJOR_VERSION,
    SODIUM_LIBRARY_MINOR_VERSION,
    SODIUM_LIBRARY_VERSION
]);

answered Mar 22, 2021 at 18:35

Fimlore

1671 silver badge10 bronze badges

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