title: Facing issues while installing apcu_bc package on PHP 8
body: <p>Facing below errors while installing package  <code>pecl install apcu_bc</code>  on PHP 8</p>
  <pre><code>In file included from /tmp/pear/temp/apcu_bc/php_apc.c:35:
  /usr/local/include/php/ext/apcu/apc_arginfo.h:4:3: error: #error Not supported on PHP &gt;= 8.0
   # error Not supported on PHP &gt;= 8.0
     ^~~~~
  In file included from /usr/local/include/php/main/php.h:35,
                   from /tmp/pear/temp/apcu_bc/php_apc.c:23:
  /usr/local/include/php/Zend/zend_API.h:85:69: error: 'zif_apcu_store' undeclared here (not in a function); did you mean 'zif_apc_dec'?
   #define ZEND_FALIAS(name, alias, arg_info)   ZEND_RAW_FENTRY(#name, zif_##alias, arg_info, 0)
                                                                       ^~~~
  /usr/local/include/php/Zend/zend_API.h:77:74: note: in definition of macro 'ZEND_RAW_FENTRY'
   #define ZEND_RAW_FENTRY(zend_name, name, arg_info, flags)   { zend_name, name, arg_info, (uint32_t) (sizeof(arg_info)/sizeof(struct _zend_internal_arg_info)-1), flags },
                                                                            ^~~~
  /usr/local/include/php/main/php.h:387:21: note: in expansion of macro 'ZEND_FALIAS'
   #define PHP_FALIAS  ZEND_FALIAS
                       ^~~~~~~~~~~
  /tmp/pear/temp/apcu_bc/php_apc.c:173:2: note: in expansion of macro 'PHP_FALIAS'
    PHP_FALIAS(apc_store,    apcu_store,    arginfo_apcu_store)
    ^~~~~~~~~~
  /tmp/pear/temp/apcu_bc/php_apc.c:173:42: error: 'arginfo_apcu_store' undeclared here (not in a function)
    PHP_FALIAS(apc_store,    apcu_store,    arginfo_apcu_store)
                                            ^~~~~~~~~~~~~~~~~~
  /usr/local/include/php/Zend/zend_API.h:77:80: note: in definition of macro 'ZEND_RAW_FENTRY'
   #define ZEND_RAW_FENTRY(zend_name, name, arg_info, flags)   { zend_name, name, arg_info, (uint32_t) (sizeof(arg_info)/sizeof(struct _zend_internal_arg_info)-1), flags },
                                                                                  ^~~~~~~~
  /usr/local/include/php/main/php.h:387:21: note: in expansion of macro 'ZEND_FALIAS'
   #define PHP_FALIAS  ZEND_FALIAS
  </code></pre>
  <p>Is apcu_bc package supported on PHP 8?</p>