php8.0 compatibility.

.travis.yml

@@ -1,15 +1,15 @@
 language: php
 
 sudo: required
-dist: precise
+dist: focal
 
 php:
-  - 5.5
-  - 5.6
+  - 7.4
+  - 8.0
 
 env:
   global:
-    - PHPIZE_BIN="$(which phpize 2> /dev/null || which phpize5 2> /dev/null)"
+    - PHPIZE_BIN="$(which phpize 2> /dev/null)"
 
 before_script:
   - $PHPIZE_BIN &> /dev/null
@@ -20,4 +20,4 @@ addons:
   apt:
     packages:
       - libqrencode-dev
-      - libpng-dev
+      - libpng12-dev

php_qrencode.h

@@ -21,6 +21,21 @@
 extern zend_module_entry qrencode_module_entry;
 #define phpext_qrencode_ptr &qrencode_module_entry
 
+#if PHP_VERSION_ID >= 80000
+#ifndef TSRMLS_C
+#define TSRMLS_C
+#endif
+#ifndef TSRMLS_CC
+#define TSRMLS_CC
+#endif
+#ifndef TSRMLS_D
+#define TSRMLS_D
+#endif
+#ifndef TSRMLS_DC
+#define TSRMLS_DC
+#endif
+#endif
+
 #ifdef PHP_WIN32
 #define PHP_QRENCODE_API __declspec(dllexport)
 #else
@@ -31,7 +46,7 @@ extern zend_module_entry qrencode_module_entry;
 #include "TSRM.h"
 #endif
 
-#define PHP_QRENCODE_VERSION "0.6"
+#define PHP_QRENCODE_VERSION "0.7"
 
 PHP_MINIT_FUNCTION(qrencode);
 PHP_MSHUTDOWN_FUNCTION(qrencode);