PHP扩展开发-内核执行流程与扩展结构
//myext.c#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_myext.h"
//全局变量声明
ZEND_DECLARE_MODULE_GLOBALS(myext)
/* True global resources - no need for thread safety here */
static int le_myext;
//模块函数的导出
const zend_function_entry myext_functions[] = {
PHP_FE(confirm_myext_compiled,NULL) /* For testing, remove later. */
PHP_FE_END/* Must be the last line in myext_functions[] */
};
//模块结构
zend_module_entry myext_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"myext",
myext_functions,
PHP_MINIT(myext),
PHP_MSHUTDOWN(myext),
PHP_RINIT(myext), /* Replace with NULL if there's nothing to do at request start */
PHP_RSHUTDOWN(myext), /* Replace with NULL if there's nothing to do at request end */
PHP_MINFO(myext),
#if ZEND_MODULE_API_NO >= 20010901
PHP_MYEXT_VERSION,
#endif
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_MYEXT
ZEND_GET_MODULE(myext)
#endif
//ini配置文件的设置
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("myext.global_value","42", PHP_INI_ALL, OnUpdateLong, global_value, zend_myext_globals, myext_globals)
STD_PHP_INI_ENTRY("myext.global_string", "foobar", PHP_INI_ALL, OnUpdateString, global_string, zend_myext_globals, myext_globals)
PHP_INI_END()
//初始化全局变量
static void php_myext_init_globals(zend_myext_globals *myext_globals)
{
myext_globals->global_value = 0;
myext_globals->global_string = NULL;
}
//模块加载时的函数
PHP_MINIT_FUNCTION(myext)
{
/* If you have INI entries, uncomment these lines
REGISTER_INI_ENTRIES();
*/
return SUCCESS;
}
//模块卸载时函数
PHP_MSHUTDOWN_FUNCTION(myext)
{
/* uncomment this line if you have INI entries
UNREGISTER_INI_ENTRIES();
*/
return SUCCESS;
}
//请求初始化函数
PHP_RINIT_FUNCTION(myext)
{
return SUCCESS;
}
//请求关闭函数
PHP_RSHUTDOWN_FUNCTION(myext)
{
return SUCCESS;
}
//模块信息phpinfo
PHP_MINFO_FUNCTION(myext)
{
php_info_print_table_start();
php_info_print_table_header(2, "myext support", "enabled");
php_info_print_table_end();
/* Remove comments if you have entries in php.ini
DISPLAY_INI_ENTRIES();
*/
}
//测试函数
PHP_FUNCTION(confirm_myext_compiled)
{
char *arg = NULL;
int arg_len, len;
char *strg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arg, &arg_len) == FAILURE) {
return;
}
len = spprintf(&strg, 0, "Congratulations! You have successfully modified ext/%.78s/config.m4. Module %.78s is now compiled into PHP.", "myext", arg);
RETURN_STRINGL(strg, len, 0);
}
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