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Summery Summery
Should we use the libsodium core function instead? This is always a good idea, if it’s available. (Unless we’re in the middle of running our unit test suite.)
Syntax Syntax
Description Description
If ext/libsodium is available, use it. Return TRUE. Otherwise, we have to use the code provided herein. Return FALSE.
Parameters Parameters
- $sodium_func_name
-
(Optional)
Default value: ''
Return Return
(bool)
Source Source
File: wp-includes/sodium_compat/src/Compat.php
protected static function use_fallback($sodium_func_name = '')
{
static $res = null;
if ($res === null) {
$res = extension_loaded('libsodium') && PHP_VERSION_ID >= 50300;
}
if ($res === false) {
// No libsodium installed
return false;
}
if (self::$disableFallbackForUnitTests) {
// Don't fallback. Use the PHP implementation.
return false;
}
if (!empty($sodium_func_name)) {
return is_callable('\\Sodium\\' . $sodium_func_name);
}
return true;
}