PHP-extension

Больше похоже на это

DSS

от reham ashraf

MATH 171 (Chapter Summary)

от Cindy Shin

Chocolate

от Geraldine López Botero

Marketing

от Pascal Fritzen

PHP extension

Zend

Data structure

Array与HashTable

Hello World!

MM

引用计数

C: malloc、free、strdup、realloc、calloc

VAR

创建PHP变量

ZVAL_STRING(pzv, str, dup);

ZVAL_STRINGL(pzv,str,len,dup);

ZVAL_BOOL(pzv, b);

ZVAL_NULL(pvz);

值

...

8种数据类型

#define Z_TYPE(zval) (zval).type #define Z_TYPE_P(zval_p) Z_TYPE(*zval_p) #define Z_TYPE_PP(zval_pp) Z_TYPE(**zval_pp)

IS_RESOURCE

IS_OBJECT

IS_ARRAY

HashTable

IS_STRING

IS_DOUBLE

signed double

IS_LONG

signed long

IS_BOOL

true; false

IS_NULL

null

zval

typedef union _zvalue_value { long lval; /* long value */ double dval; /* double value */ struct { char *val; int len; } str; HashTable *ht; /* hash table value */ zend_object_value obj; } zvalue_value;

struct _zval_struct { zvalue_value value; /* 变量的值 */ zend_uint refcount__gc; zend_uchar type; /* 变量当前的数据类型 */ zend_uchar is_ref__gc; }; typedef struct _zval_struct zval; typedef unsigned int zend_uint; typedef unsigned char zend_uchar;

Lifecycles

PHP的启动与终止

MSHUTDOWN

PHP_MSHUTDOWN_FUNCTION

Module Shutdown

RSHUTDOWN

PHP_RSHUTDOWN_FUNCTION

Request Shutdown

RINIT

PHP_RINIT_FUNCTION

Request Initialization

MINIT

PHP_MINIT_FUNCTION

MINIT全称Module Initialization，是由每个扩展自己实现的一个函数

PHP Architecture