{"id":88,"date":"2023-06-05T12:48:07","date_gmt":"2023-06-05T04:48:07","guid":{"rendered":"http:\/\/pro369.com\/php\/?p=88"},"modified":"2019-04-16T16:24:44","modified_gmt":"2019-04-16T16:24:44","slug":"%e8%87%aa%e5%b7%b1%e5%af%abphp%e5%bb%b6%e4%bc%b8%e4%b9%8b%e6%93%8d%e4%bd%9c%e9%a1%9e%e7%9a%84%e5%b1%ac%e6%80%a7%e5%92%8c%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/por.tw\/php\/%e8%87%aa%e5%b7%b1%e5%af%abphp%e5%bb%b6%e4%bc%b8%e4%b9%8b%e6%93%8d%e4%bd%9c%e9%a1%9e%e7%9a%84%e5%b1%ac%e6%80%a7%e5%92%8c%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u81ea\u5df1\u5bebPHP\u5ef6\u4f38\u4e4b\u64cd\u4f5c\u985e\u7684\u5c6c\u6027\u548c\u65b9\u6cd5"},"content":{"rendered":"

\u985e\u5efa\u7acb\u597d\u4e86..
\u90a3\u9ebc\u985e\u80af\u5b9a\u4e0d\u6b62\u9019\u4e9b\u6771\u897f,\u5b83\u7531\u7e7c\u627f,\u5c6c\u6027,\u8fd4\u56de\u503c\u7b49.<\/strong><\/font><\/p>\n

1.\u65b9\u6cd5\u7684\u53c3\u6578.<\/strong><\/font>
\u6709\u65b9\u6cd5,\u8a72\u65b9\u6cd5\u5c31\u53ef\u80fd\u8981\u6709\u53c3\u6578.\u53c3\u6578\u662f\u5982\u4f55\u50b3\u905e\u904e\u4f86\u7684\u5462?
\u5982\u679c\u770b\u904e\u4e4b\u524d\u7684\u6587\u7ae0.\u90a3\u9ebc\u4f60\u80af\u5b9a\u5c31\u77e5\u9053\u4e86..\u662f\u7684 \u8207\u666e\u901a\u51fd\u6578\u7684\u53c3\u6578\u76f8\u540c.
\u8072\u660echar\u985e\u578b\u7684\u6307\u6a19\u7528\u4f86\u5132\u5b58\u53c3\u6578\u7684\u503c.
\u8072\u660eint\u985e\u578b\u7684\u8b8a\u91cf\u4f86\u5132\u5b58\u7684\u53c3\u6578\u9577\u5ea6
\u7136\u5f8c\u7528\u5230 zend_parse_parameters\u51fd\u6578
zend_parse_parameters(“,`< char *type_spec>`,`< …>`)
\u8a72\u53c3\u6578\u6709\u5e7e\u500b\u91cd\u8981\u7684\u53c3\u6578
\u7b2c\u4e00\u500b\u662f\u53c3\u6578\u7684\u500b\u6578
\u7b2c\u4e8c\u500b\u6bd4\u8f03\u91cd\u8981,\u5b83\u6307\u5b9a\u63a5\u6536\u53c3\u6578\u7684\u985e\u578b
\u4e0b\u9762\u9019\u4efd\u6e05\u55ae\u5b8c\u6574\u5730\u5217\u8209\u51fa\u4e86\u6211\u5011\u53ef\u4ee5\u6307\u5b9a\u63a5\u6536\u7684\u53c3\u6578\u985e\u578b\uff1a<\/p>\n

l – \u9577\u6574\u6578<\/p>\n

d – \u96d9\u7cbe\u5ea6\u6d6e\u9ede\u6578<\/p>\n

s – \u5b57\u4e32 (\u4e5f\u53ef\u80fd\u662f\u7a7a\u4f4d\u5143\u7d44)\u548c\u5176\u9577\u5ea6<\/p>\n

b – \u5e03\u6797\u503c<\/p>\n

r – \u8cc7\u6e90, \u5132\u5b58\u5728 zval*<\/p>\n

a – \u9663\u5217, \u5132\u5b58\u5728 zval*<\/p>\n

o – \uff08\u4efb\u4f55\u985e\u7684\uff09\u5c0d\u50cf, \u5132\u5b58\u5728 zval*<\/p>\n

O – \uff08\u7531class entry \u7279\u6b8a\u7684\u985e\u7684\uff09\u5c0d\u50cf, \u5132\u5b58\u5728 zval*<\/p>\n

z – \u5be6\u969b\u7684 zval*<\/p>\n

\u4e0b\u9762\u7684\u4e00\u4e9b\u5b57\u5143\u5728\u985e\u578b\u8aaa\u660e\u5b57\u4e32\uff08\u5c31\u662f\u90a3\u500b char *type_spec\uff09\u4e2d\u5177\u6709\u7279\u5225\u7684\u542b\u7fa9\uff1a<\/p>\n

| – \u986f\u793a\u5269\u4e0b\u7684\u53c3\u6578\u90fd\u662f\u53ef\u9078\u53c3\u6578\u3002\u5982\u679c\u4f7f\u7528\u8005\u6c92\u6709\u50b3\u9032\u4f86\u9019\u4e9b\u53c3\u6578\u503c\uff0c\u90a3\u9ebc\u9019\u4e9b\u503c\u5c31\u6703\u88ab\u8d77\u59cb\u5316\u6210\u9810\u8a2d\u503c\u3002<\/p>\n

\/ – \u986f\u793a\u53c3\u6578\u89e3\u6790\u51fd\u6578\u5c07\u6703\u5c0d\u5269\u4e0b\u7684\u53c3\u6578\u4ee5 SEPARATE_ZVAL_IF_NOT_REF() \u7684\u6a21\u5f0f\u4f86\u63d0\u4f9b\u9019\u500b\u53c3\u6578\u7684\u4e00\u4efd\u8986\u5236\uff0c\u9664\u975e\u9019\u4e9b\u53c3\u6578\u662f\u4e00\u500b\u5f15\u7528\u3002<\/p>\n

! – \u986f\u793a\u5269\u4e0b\u7684\u53c3\u6578\u5bb9\u8a31\u88ab\u8a2d\u5b9a\u70ba NULL\uff08\u50c5\u7528\u5728 a\u3001o\u3001O\u3001r\u548cz\u8eab\u4e0a\uff09\u3002\u5982\u679c\u4f7f\u7528\u8005\u50b3\u9032\u4f86\u4e86\u4e00\u500b NULL \u503c\uff0c\u5247\u5b58\u5132\u8a72\u53c3\u6578\u7684\u8b8a\u91cf\u5c07\u6703\u8a2d\u5b9a\u70ba NULL\u3002
\u51fd\u6578 get\u63a5\u6536\u5169\u500b\u53c3\u6578 ,\u7b2c\u4e00\u500b\u53c3\u6578\u662f\u5fc5\u586b\u5b57\u4e32\u985e\u578b,\u7b2c\u4e8c\u500b\u53c3\u6578\u662f\u53ef\u9078\u70ba\u6574\u578b.
PHP\u4ee3\u78bc\u5982\u4e0b
1
2
3
    
function get($name,$age=0){
 
}<\/p>\n

\u5982\u679c\u8981\u5728\u5ef6\u4f38\u88e1\u5be6\u73fe\u9019\u6a23\u7684\u529f\u80fd,zend_parse_parameters\u7684\u4f7f\u7528\u5982\u4e0b
char* name;
int name_length;
int age;
int age_length;
zend_parse_parameters(ZEND_NUM_ARGS ,\u300ds|l\u300d,&name,&name_length,&age,&age_len)
zend_parse_parameters \u57f7\u884c\u5931\u6557\u7684\u8a71\u6703\u8fd4\u56deFAILURE.
\u57f7\u884c\u5b8c\u6210\u5f8c,name\u5c31\u662f\u7b2c\u4e00\u500b\u53c3\u6578\u7684\u503c,age\u5c31\u662f\u7b2c\u4e8c\u500b\u53c3\u6578\u7684\u503c
\u6211\u5011\u751a\u81f3\u53ef\u4ee5\u547c\u53ebphp_printf\u51fd\u6578\u4f86\u8f38\u51fa.<\/p>\n

2.\u985e\u7684\u5c6c\u6027
\u9019\u985e\u7684\u5167\u5bb9\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u5176\u5be6\u5df2\u7d93\u8b1b\u6e05\u695a\u4e86.
\u7528zend_declare_property_*\u4e00\u7cfb\u5217\u51fd\u6578\u4f86\u5efa\u7acb\u6211\u5011\u7684\u5c6c\u6027.\u7576\u7136\u662f\u5728PHP_MINIT_FUNCTION\u51fd\u6578\u4e2d\u5efa\u7acb
\u4ee5 zend_declare_property_null\u70ba\u4f8b:
zend_declare_property_null(“,`< char *name>`,`< int name_length>`,`< int access_type TSRMLS_DC>`)
ce :\u662f\u4e00\u500bzend_class_entry\u7684\u6307\u6a19.
name :\u662f\u5c6c\u6027\u7684\u540d\u7a31
length :\u5c6c\u6027\u540d\u7a31\u7684\u9577\u5ea6
access_type:\u5c6c\u6027\u7684\u8a2a\u554f\u5c64\u7d1a.
\u9084\u6709\u5176\u4ed6\u5e7e\u500b\u51fd\u6578 \u7528\u6cd5\u4e00\u6a23.
1
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3
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6
7
    
zend_declare_property_bool
zend_declare_property_double
zend_declare_property_ex
zend_declare_property_long
zend_declare_property_null
zend_declare_property_string
zend_declare_property_stringl<\/p>\n

3.\u8b80\u53d6\u5c6c\u6027
\u5efa\u7acb\u4e86\u5c6c\u6027,\u90a3\u9ebc\u8a72\u5982\u4f55\u8b80\u53d6\u6b64\u5c6c\u6027\u5462?
zend_read_property(“,`< zval *object>`,`< char *name>`,`< int name_length>`,`< zend_bool silent TSRMLS_DC>`);
\u5c31\u8981\u4f7f\u7528\u9019\u500b\u51fd\u6578\u4e86,\u5b83\u5c07\u53d6\u5f97\u5230\u7684\u5c6c\u6027\u8a0a\u606f\u8fd4\u56de\u5230\u4e00\u500bzval\u7d50\u69cb\u9ad4\u4e2d
\u9019\u6642\u5019\u8981\u7528\u5230\u51fd\u6578getThis();
\u9019\u500b\u51fd\u6578\u6703\u8fd4\u56de\u4e00\u500bzval\u7684\u6307\u6a19.
\u56e0\u70ba\u662f\u4e00\u500b\u5c0d\u50cf \u6240\u4ee5\u5132\u5b58\u5728\u7d50\u69cb\u9ad4_zend_object_value \u4e2d
typedef struct _zend_object_value {
zend_object_handle handle;
zend_object_handlers *handlers;
} zend_object_value;
\u7b2c\u4e00\u500b\u53c3\u6578\u6703\u547c\u53eb zend_object_handler\u6240\u6307\u5411\u7684\u51fd\u6578\u6307\u6a19get_class_entry\u4f86\u53d6\u5f97\u73fe\u7528\u7684\u57f7\u884c\u7684\u985e\u7684\u8a0a\u606f.
\u7b2c\u4e00\u500b\u53c3\u6578\u61c9\u8a72\u662f Z_OBJEC_P(getThis());
\u7b2c\u4e8c\u500b\u53c3\u6578\u662f getThis();
\u5b83\u5b9a\u7fa9\u70ba #define getThis() (this_ptr);
this_ptr\u662f\u4ec0\u9ebc\u6771\u897f\u6211\u9084\u4e0d\u78ba\u5b9a,\u6211\u60f3\u61c9\u8a72\u662fPHP\u5167\u6838\u7dad\u8b77\u7684\u4e00\u500b\u5132\u5b58\u985e\u8a0a\u606f\u7684zval\u5c0d\u50cf.\u56de\u982d\u518d\u597d\u597d\u7814\u7a76\u7814\u7a76.
\u7b2c\u4e09\u500b\u53c3\u6578\u662f\u8981\u53d6\u5f97\u7684\u5c6c\u6027
\u7b2c\u56db\u500b\u53c3\u6578\u662f\u5c6c\u6027\u7684\u9577\u5ea6.
\u4fee\u6539\u4e4b\u5f8c\u7684getproperty\u65b9\u6cd5
1
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5
6
    
PHP_METHOD(Person,getproperty){
        zval* self=getThis();
        zval* name;
        name=zend_read_property(Z_OBJCE_P(self),self,ZEND_STRL("name"),0 TSRMLS_CC);
        php_printf("%s",name->value.str.val);
}<\/p>\n

4.\u8a2d\u5b9a\u5c6c\u6027
\u8a72\u5982\u4f55\u66f4\u65b0\u5c6c\u6027\u7684\u503c\u5462?
\u540c\u6a23\u7d66\u6211\u5011\u63d0\u4f9b\u4e86\u4e00\u500b\u51fd\u6578
zend_update_property(“,`< zval *object>`,`< char *name>`,`< int name_length>`,`< zval *value TSRMLS_DC>`)
\u524d\u56db\u500b\u53c3\u6578\u8207zend_read_property\u76f8\u540c.
\u4e0d\u540c\u7684\u662f\u6700\u5f8c\u4e00\u500bzval*value.\u5b83\u662f\u6211\u5011\u5c6c\u6027\u7684\u503c..\u56e0\u70ba\u4ed6\u662f\u4e00\u500bzval\u7684\u6307\u6a19,\u6240\u4ee5\u6211\u5011\u9700\u8981\u5c07\u901a\u904ezend_parse_parameters\u53d6\u5f97\u5230\u7684\u53c3\u6578\u8f49\u70ba\u4e00\u500bzval\u7684\u6307\u6a19.
\u4fee\u6539\u5f8c\u7684setproperty\u65b9\u6cd5.
1
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5
6
7
8
9
10
11
12
13
    
PHP_METHOD(Person,setproperty){
        char *key=NULL;
        int key_len;
        char *val=NULL;
        int val_len;
        zval* self=getThis();
        zval* value;
        if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,"ss",&key,&key_len,&val,&val_len)==FAILURE){
                return;
        }
        MAKE_STD_ZVAL(value);
        ZVAL_STRINGL(value,val,val_len,1);
        zend_update_property(Z_OBJCE_P(self),self,key,key_len,value TSRMLS_CC);<\/p>\n

\u6700\u5f8cmake && make install,\u91cd\u555fapache.
\u9019\u6a23\u6211\u5011\u5728 php\u4ee3\u78bc\u88e1.
1
2
3
4
5
    
<?php
$a=new Person();
$a->setproperty("name","this is siren");
$a->getproperty();
?><\/p>\n

\u5c31\u53ef\u4ee5\u8f38\u51fa\u6211\u5011\u901a\u904esetproperty\u8a2d\u5b9a\u7684\u503c\u4e86.

\u8072\u660e\uff1a\u672c\u6587\u70ba\u65af\u4eba\u539f\u5275\uff0c\u5168\u90e8\u70ba\u4f5c\u8005\u4e00\u4e00\u5206\u6790\u5f97\u4e4b\uff0c\u6709\u4e0d\u5c0d\u7684\u5730\u65b9\u671b\u8cdc\u6559\u3002
\u6b61\u8fce\u8f49\u8f09\uff0c\u8f49\u8f09\u8acb\u8a3b\u660e\u51fa\u8655 \u3002
\u672c\u6587\u4f4d\u5740\uff1ahttp:\/\/imsiren.com\/archives\/581<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u985e\u5efa\u7acb\u597d\u4e86.. \u90a3\u9ebc\u985e\u80af\u5b9a\u4e0d\u6b62\u9019\u4e9b\u6771\u897f,\u5b83\u7531\u7e7c\u627f,\u5c6c\u6027,\u8fd4\u56de\u503c\u7b49. 1.\u65b9\u6cd5\u7684\u53c3\u6578. \u6709\u65b9\u6cd5,\u8a72\u65b9\u6cd5\u5c31\u53ef\u80fd\u8981\u6709 […]<\/p>\n","protected":false},"author":1,"featured_media":400,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[22],"class_list":["post-88","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-php"],"_links":{"self":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/88"}],"collection":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/comments?post=88"}],"version-history":[{"count":0,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/88\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media\/400"}],"wp:attachment":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/categories?post=88"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/tags?post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}