modify

Author: Leon2012

003.md

@@ -229,5 +229,21 @@
     	Z_SET_REFCOUNT_P(z, refcount);          \
 	}
 
+5，类型转换
+
+	convert_to_long(zval *op);  //zval -> long
+	convert_to_double(zval *op); //zval -> double
+	convert_to_null(zval *op); //zval -> null
+	convert_to_boolean(zval *op); //zval -> boolean
+	convert_to_array(zval *op); //zval -> array
+	convert_to_object(zval *op); //zval -> object
+	
+	#define convert_to_cstring(op) if ((op)->type != IS_STRING) 	{ _convert_to_cstring((op) ZEND_FILE_LINE_CC); }
+	
+	#define convert_to_string(op) if ((op)->type != IS_STRING) 	{ _convert_to_string((op) ZEND_FILE_LINE_CC); }
+
+	ZEND_API double zend_string_to_double(const char *number, zend_uint length);
+
+	ZEND_API int zval_is_true(zval *op);
 
 

codes/zval1/zval1.c

@@ -51,6 +51,7 @@ static int le_zval1;
 const zend_function_entry zval1_functions[] = {
 	PHP_FE(dump_zval_type,	DUMP_ZVAL_TYPE_ARGINFO)		
 	PHP_FE(dump_zval_value, DUMP_ZVAL_VALUE_ARGINFO)
+	PHP_FE(convert_zval, DUMP_ZVAL_VALUE_ARGINFO)
 	PHP_FE_END	/* Must be the last line in zval1_functions[] */
 };
 /* }}} */
@@ -215,6 +216,17 @@ PHP_FUNCTION(dump_zval_value)
 }
 
 
+PHP_FUNCTION(convert_zval)
+{
+	zval *zv;
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zv) == FAILURE) {
+		return;
+	}
+
+	convert_to_double(zv);
+	RETURN_ZVAL(zv, 1, 0);
+}
+
 
 /*
  * Local variables:

codes/zval1/zval1.php

@@ -21,4 +21,7 @@
 echo "value:". dump_zval_value(1.23) . "\n";
 //echo "value:". dump_zval_value(array("arr1")) . "\n";
 
+
+echo convert_zval("10") . "\n";
+
 ?>