Add php8 to travis and fix php7.4

- Use clang-format on the code
- Improve portability wrt. php8
- Fix php7.4 compatibility. See https://dustri.org/b/fixing-snuffleupagus-sloppy-comparison-on-array_keys-for-php74.html for a detailed writeup

6 files changed, 24 insertions, 21 deletions

diff --git a/.travis.yml b/.travis.yml
index 8c0c309..326a3af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,8 @@ matrix:
     php: "7.2"
   - env: TARGET="gcc php7.3" CC="gcc"
     php: "7.3"
+  - env: TARGET="gcc php7.3" CC="gcc"
+    php: "7.4snapshot"
   - env: TARGET="gcc php nightly" CC="gcc"
     php: "nightly"
   allow_failures:
@@ -55,5 +57,5 @@ after_success:
     fi
 
 after_failure:
-  - grep -r . ./tests/*.out
-  - grep -r . ./tests/*.diff
+  - grep -r . ./tests/*/*.out
+  - grep -r . ./tests/*/*.diff
diff --git a/src/sp_config_keywords.c b/src/sp_config_keywords.c
index 760961a..a9c71d4 100644
--- a/src/sp_config_keywords.c
+++ b/src/sp_config_keywords.c
@@ -41,8 +41,9 @@ int parse_session(char *line) {
     return ret;
   }
 
-#if ( !HAVE_PHP_SESSION || defined(COMPILE_DL_SESSION) )
-  sp_log_err("config",
+#if (!HAVE_PHP_SESSION || defined(COMPILE_DL_SESSION))
+  sp_log_err(
+      "config",
       "You're trying to use the session cookie encryption feature "
       "on line %zu without having session support statically built into PHP. "
       "This isn't supported, see "
diff --git a/src/sp_disabled_functions.c b/src/sp_disabled_functions.c
index bb22f71..0f42f8f 100644
--- a/src/sp_disabled_functions.c
+++ b/src/sp_disabled_functions.c
@@ -371,11 +371,8 @@ static void should_disable(zend_execute_data* execute_data,
     }
 
     if (config_node->r_value || config_node->value) {
-      if (check_is_builtin_name(config_node) &&
-          !config_node->var &&
-          !config_node->key &&
-          !config_node->r_key &&
-          !config_node->param &&
+      if (check_is_builtin_name(config_node) && !config_node->var &&
+          !config_node->key && !config_node->r_key && !config_node->param &&
           !config_node->r_param) {
         if (false == is_param_matching(execute_data, config_node, builtin_param,
                                        &arg_name, builtin_param_name,
diff --git a/src/sp_session.c b/src/sp_session.c
index c708ea0..0f45f9b 100644
--- a/src/sp_session.c
+++ b/src/sp_session.c
@@ -3,7 +3,7 @@
 
 ZEND_DECLARE_MODULE_GLOBALS(snuffleupagus)
 
-#if ( HAVE_PHP_SESSION && !defined(COMPILE_DL_SESSION) )
+#if (HAVE_PHP_SESSION && !defined(COMPILE_DL_SESSION))
 
 #ifdef ZTS
 static ts_rsrc_id session_globals_id = 0;
@@ -165,6 +165,6 @@ void hook_session() {
 
 #else
 
-void hook_session() { }
+void hook_session() {}
 
 #endif  // HAVE_PHP_SESSION && !defined(COMPILE_DL_SESSION)
diff --git a/src/sp_sloppy.c b/src/sp_sloppy.c
index d510181..8c36822 100644
--- a/src/sp_sloppy.c
+++ b/src/sp_sloppy.c
@@ -43,20 +43,21 @@ static void array_handler(INTERNAL_FUNCTION_PARAMETERS, const char* name,
   zval func_name;
   zval params[3];
   zval *value, *array = NULL;
-  zend_bool strict = 1;
+  zend_bool strict = 0;
+  uint32_t nb_params = ZEND_NUM_ARGS();
 
-  memset(&params, 0, sizeof(params));
-
-  zend_parse_parameters(ZEND_NUM_ARGS(), spec, &value, &array, &strict);
+  zend_parse_parameters(nb_params, spec, &value, &array, &strict);
 
   ZVAL_COPY(&params[0], value);
+  ZVAL_BOOL(&params[2], 1);  // we want to always have strict mode enabled
+
   if (array) {
     ZVAL_COPY(&params[1], array);
-    ZVAL_BOOL(&params[2], 1);
+    // Lie about the number of parameters,
+    // since we are always passing strict = 1
+    nb_params = 3;
   } else {
-    // if there is no array as parameter, don't set strict mode.
-    // check php's implementation for details.
-    ZVAL_BOOL(&params[2], 0);
+    ZVAL_NULL(&params[1]);
   }
 
   ZVAL_STRING(&func_name, name);
@@ -67,8 +68,8 @@ static void array_handler(INTERNAL_FUNCTION_PARAMETERS, const char* name,
       zend_hash_str_find_ptr(CG(function_table), name, size);
   func->handler = handler;
 
-  call_user_function(CG(function_table), NULL, &func_name, return_value, 3,
-                     params);
+  call_user_function(CG(function_table), NULL, &func_name, return_value,
+                     nb_params, params);
 
   func->handler = orig_handler;
 }
diff --git a/src/sp_utils.c b/src/sp_utils.c
index acac310..1231bee 100644
--- a/src/sp_utils.c
+++ b/src/sp_utils.c
@@ -344,7 +344,9 @@ int hook_function(const char* original_name, HashTable* hook_table,
     }
   }
 
+#if PHP_VERSION_ID < 80000
   CG(compiler_options) |= ZEND_COMPILE_NO_BUILTIN_STRLEN;
+#endif
 
   if (0 == strncmp(original_name, "mb_", 3) && !CG(multibyte)) {
     if (zend_hash_str_find(CG(function_table),