Add Php::class_exists implementation.

2 files changed, 43 insertions, 0 deletions

diff --git a/zend/fastcall.cpp b/zend/fastcall.cpp
new file mode 100644
index 0000000..e198e69
--- /dev/null
+++ b/zend/fastcall.cpp
@@ -0,0 +1,42 @@
+/**
+ *  fastcall.cpp
+ *
+ *  This file holds some PHP functions implementation in C directly.
+ *
+ */
+
+#include "includes.h"
+
+namespace Php {
+
+    bool class_exists(const std::string &classname, bool autoload) {
+        // we need the tsrm_ls variable
+        TSRMLS_FETCH();
+
+        zend_class_entry **ce;
+        int found;
+        const char * str = classname.c_str();
+        int32_t len = (int32_t)classname.length();
+
+
+        if (autoload) {
+            char lc_name[len + 1];
+            zend_str_tolower_copy(lc_name, str, len);
+
+            char *name = lc_name;
+            if (lc_name[0] == '\\') {
+                name = &lc_name[1];
+                --len;
+            }
+
+            found = zend_hash_find(EG(class_table), name, len + 1, (void **) &ce);
+            return (found == SUCCESS && !(((*ce)->ce_flags & (ZEND_ACC_INTERFACE | ZEND_ACC_TRAIT)) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS));
+        }
+
+        if (zend_lookup_class(str, len, &ce TSRMLS_CC) == SUCCESS) {
+            return (((*ce)->ce_flags & (ZEND_ACC_INTERFACE | (ZEND_ACC_TRAIT - ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) == 0);
+        }
+        return false;
+    }
+
+}
\ No newline at end of file
diff --git a/zend/includes.h b/zend/includes.h
index 63b435e..8af557c 100644
--- a/zend/includes.h
+++ b/zend/includes.h
@@ -79,6 +79,7 @@
 #include "../include/namespace.h"
 #include "../include/extension.h"
 #include "../include/call.h"
+#include "../include/fastcall.h"
 
 /**
  *  Common header files for internal use only