ext/phar: Remove phar_resolve_alias() (#15860)

As this is unused and a SourceGraph search returns 0 result

Author: Girgias

ext/phar/config.m4

@@ -32,8 +32,6 @@ if test "$PHP_PHAR" != "no"; then
   PHP_ADD_EXTENSION_DEP(phar, spl)
   PHP_ADD_MAKEFILE_FRAGMENT
 
-  PHP_INSTALL_HEADERS([ext/phar], [php_phar.h])
-
   AC_CONFIG_FILES([
     $ext_dir/phar.1
     $ext_dir/phar.phar.1

ext/phar/config.w32

@@ -36,7 +36,6 @@ if (PHP_PHAR != "no") {
 	}
 	ADD_EXTENSION_DEP('phar', 'hash');
 	ADD_EXTENSION_DEP('phar', 'spl');
-	PHP_INSTALL_HEADERS("ext/phar", "php_phar.h");
 
 	ADD_MAKEFILE_FRAGMENT();
 }

ext/phar/php_phar.h

@@ -22,16 +22,7 @@
 
 #define PHP_PHAR_VERSION PHP_VERSION
 
-#include "ext/standard/basic_functions.h"
 extern zend_module_entry phar_module_entry;
 #define phpext_phar_ptr &phar_module_entry
 
-#ifdef PHP_WIN32
-#define PHP_PHAR_API __declspec(dllexport)
-#else
-#define PHP_PHAR_API PHPAPI
-#endif
-
-PHP_PHAR_API zend_result phar_resolve_alias(char *alias, size_t alias_len, char **filename, size_t *filename_len);
-
 #endif /* PHP_PHAR_H */

ext/phar/util.c

@@ -19,7 +19,6 @@
 */
 
 #include "phar_internal.h"
-#include "php_phar.h"
 #include "ext/hash/php_hash.h" /* Needed for PHP_HASH_API in ext/hash/php_hash_sha.h */
 #include "ext/hash/php_hash_sha.h"
 #include "ext/standard/md5.h"
@@ -975,18 +974,6 @@ phar_entry_info * phar_open_jit(phar_archive_data *phar, phar_entry_info *entry,
 }
 /* }}} */
 
-PHP_PHAR_API zend_result phar_resolve_alias(char *alias, size_t alias_len, char **filename, size_t *filename_len) /* {{{ */ {
-	phar_archive_data *fd_ptr;
-	if (HT_IS_INITIALIZED(&PHAR_G(phar_alias_map))
-			&& NULL != (fd_ptr = zend_hash_str_find_ptr(&(PHAR_G(phar_alias_map)), alias, alias_len))) {
-		*filename = fd_ptr->fname;
-		*filename_len = fd_ptr->fname_len;
-		return SUCCESS;
-	}
-	return FAILURE;
-}
-/* }}} */
-
 zend_result phar_free_alias(phar_archive_data *phar, char *alias, size_t alias_len) /* {{{ */
 {
 	if (phar->refcount || phar->is_persistent) {