[PHP] Add support for PHP7.

PHP5's C extension API has changed substantially so you need to use
-php7 to specify you want PHP7 compatible wrappers.
Fixes https://github.com/swig/swig/issues/571

Examples/php5/enum/Makefile

@@ -0,0 +1,20 @@
+TOP        = ../..
+SWIGEXE    = $(TOP)/../swig
+SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
+CXXSRCS    = example.cxx
+TARGET     = example
+INTERFACE  = example.i
+LIBS       =
+SWIGOPT    = -noproxy
+
+check: build
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' php_run
+
+build:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' \
+	php_cpp
+
+clean:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' php_clean

Examples/php5/enum/example.cxx

@@ -0,0 +1,37 @@
+/* File : example.cxx */
+
+#include "example.h"
+#include <stdio.h>
+
+void Foo::enum_test(speed s) {
+  if (s == IMPULSE) {
+    printf("IMPULSE speed\n");
+  } else if (s == WARP) {
+    printf("WARP speed\n");
+  } else if (s == LUDICROUS) {
+    printf("LUDICROUS speed\n");
+  } else {
+    printf("Unknown speed\n");
+  }
+}
+
+void enum_test(color c, Foo::speed s) {
+  if (c == RED) {
+    printf("color = RED, ");
+  } else if (c == BLUE) {
+    printf("color = BLUE, ");
+  } else if (c == GREEN) {
+    printf("color = GREEN, ");
+  } else {
+    printf("color = Unknown color!, ");
+  }
+  if (s == Foo::IMPULSE) {
+    printf("speed = IMPULSE speed\n");
+  } else if (s == Foo::WARP) {
+    printf("speed = WARP speed\n");
+  } else if (s == Foo::LUDICROUS) {
+    printf("speed = LUDICROUS speed\n");
+  } else {
+    printf("speed = Unknown speed!\n");
+  }
+}

Examples/php5/enum/example.h

@@ -0,0 +1,13 @@
+/* File : example.h */
+
+enum color { RED, BLUE, GREEN };
+
+class Foo {
+ public:
+  Foo() { }
+  enum speed { IMPULSE, WARP, LUDICROUS };
+  void enum_test(speed s);
+};
+
+void enum_test(color c, Foo::speed s);
+

Examples/php5/enum/example.i

@@ -0,0 +1,12 @@
+/* File : example.i */
+%module example
+
+%{
+#include "example.h"
+%}
+
+
+/* Let's just grab the original header file here */
+
+%include "example.h"
+

Examples/php5/enum/runme.php

@@ -0,0 +1,32 @@
+<?php
+
+require "example.php";
+
+# ----- Object creation -----
+
+# Print out the value of some enums
+print "*** color ***";
+print "    RED    =" . RED;
+print "    BLUE   =" . BLUE;
+print "    GREEN  =" . GREEN;
+
+print "\n*** Foo::speed ***";
+print "    Foo_IMPULSE   =" . Foo_IMPULSE;
+print "    Foo_WARP      =" . Foo_WARP;
+print "    Foo_LUDICROUS =" . Foo_LUDICROUS;
+
+print "\nTesting use of enums with functions\n";
+
+enum_test(RED, Foo_IMPULSE);
+enum_test(BLUE, Foo_WARP);
+enum_test(GREEN, Foo_LUDICROUS);
+enum_test(1234,5678);
+
+print "\nTesting use of enum with class method\n";
+$f = new_Foo();
+
+Foo_enum_test($f,Foo_IMPULSE);
+Foo_enum_test($f,Foo_WARP);
+Foo_enum_test($f,Foo_LUDICROUS);
+
+?>