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Update 7.1.md #157

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3 changes: 3 additions & 0 deletions 7.1.md
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ ZEND_FUNCTION(sample_hello_world) {
如果传递给函数的参数数量小于zend_parse_parameters()要接收的参数数量，它便会执行失败，并返回FAILURE。
</div>
如果我们需要接收多个参数，可以直接在zend_parse_paramenters()的参数里罗列接收载体便可以了，如：

````php
<?php
function sample_hello_world($name, $greeting) {
Expand All @@ -87,6 +88,7 @@ function sample_hello_world($name, $greeting) {
sample_hello_world('John Smith', 'Mr.');

````

在PHP扩展里应该这样来实现：
````c
ZEND_FUNCTION(sample_hello_world) {
Expand Down Expand Up @@ -115,6 +117,7 @@ Type Modifier Meaning
````
### 函数参数的默认值
现在让我们继续改写sample_hello_world(), 接下来我们使用一些参数的默认值，在php语言里就像下面这样：

````php
<?php
function sample_hello_world($name, $greeting='Mr./Ms.') {
Expand Down