Update return type of spl_autoload_functions
on PHP8.0+
#2810
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The PHP documentation states that
spl_autoload_functions
might only returnfalse
on PHP versions up to 7.4; it will return an empty array on PHP8+.functionMap.php
contains the PHP 7.4 signature. This is unchanged. Is this correct?functionMap_php80delta.php
array
specified. Before this PR, PHPStan assumes a return type ofarray
(aslist<...>|false
in functionMap.php is not a subtype of the native typearray
)This PR also fixes some static analysis errors in PHPStan's source code that resulted from the functionMap changes.