First try to open php-SAPI.ini and if it fails fall back to regular

php.ini file. For example cli version of PHP will first try to open
php-cli.ini in the usual ini file search path and only if it fails
will it try to open php.ini using the same path.

main/php_ini.c

@@ -312,7 +312,12 @@ int php_init_config()
 	}
 	/* Search php.ini file in search path */
 	if (!fh.handle.fp) {
-		fh.handle.fp = php_fopen_with_path("php.ini", "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
+		char *ini_fname=emalloc(10+strlen(sapi_module.name));
+		sprintf(ini_fname, "php-%s.ini", sapi_module.name);
+		if (!(fh.handle.fp = php_fopen_with_path(ini_fname, "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC))) {
+			fh.handle.fp = php_fopen_with_path("php.ini", "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
+		}
+		efree(ini_fname);
 		fh.filename = php_ini_opened_path;
 	}
 	if (free_ini_search_path) {