[转载]扩展你的PHP之入门篇
<P>信息来源：phpe</P><P></P>
<P><EM>1. 扩展你的php<BR>2. 扩展的3种方式<BR>3. extension dll方式的扩展<BR>4. 小结<BR><BR></EM>首先注意, 以下所有的一切皆在win下进行, 使用的工具的vc++6.0.<BR><B>扩展你的PHP</B><BR>PHP以方便快速的风格迅速在web系统开发中占有了重要地位. PHP本身提供了丰富的大量的函数及功能. 长话短说. 我们看看我们如何进行扩展.<BR><BR><B>扩展的3种方式</B><BR>External Modules<BR>Built-in Modules<BR>The Zend Engine<BR>3种方式的优缺点可参见PHP手册.[url]http://www.php.net/manual/en/zend.possibilities.php[/url]<BR><BR><B>extension dll</B><BR><BR>1. 首先我们去下个php的source. 可以看到有以下几个重要的目录.<BR>ext, main, TSRM, Zend, 另外我们可能还需要bindlib_w32(需要你从cvs上下), 及PHP目录下的php4ts.lib<BR><BR>2. 打开VC, 新建一个Win32 Dynamic-Link Library, 如下图<BR><A href="http://www.phpe.net/uploads/images/article_1_7263.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_1_7263.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>3. 点ok, 选择'An Empty Dll Project', and click finish.<BR><BR>4. 设置Build的Active Configuration. 选Release:)<BR><A href="http://www.phpe.net/uploads/images/article_2_7280.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_2_7280.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>5. Project->settings.<BR><A href="http://www.phpe.net/uploads/images/article_3_7299.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_3_7299.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>预定义标识. 整个如下.ZEND_DEBUG=0,COMPILE_DL_BINZY,ZTS=1,ZEND_WIN32,PHP_WIN32,HAVE_BINZY=1<BR><A href="http://www.phpe.net/uploads/images/article_4_7319.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_4_7319.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>这个是包含路径,上面所提及的几个路径都可以加入.<BR><A href="http://www.phpe.net/uploads/images/article_5_7335.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_5_7335.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>选择Multithreaded DLL,<BR><A href="http://www.phpe.net/uploads/images/article_6_7356.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_6_7356.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>取名时随便的, 要link php4ts.lib~~ :)<BR>o, 忘了, 别忘了加上 /Tc的参数.<BR><A href="http://www.phpe.net/uploads/images/article_7_7377.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_7_7377.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>6. 写代码.<BR><BR>建个头,建个身体.<BR><B>Binzy.h</B><BR><BR></P><PRE class=php>// Binzy Wu
// 2004-4-9
// PHP Extension
#if HAVE_BINZY
extern zend_module_entry binzy_module_entry;
#define binzy_module_ptr &binzy_module_entry
PHP_FUNCTION(hellobinzy); //
PHP_MINFO_FUNCTION(binzy); //
#endif</PRE>
<P><BR><BR><BR><B>Binzy.c</B><BR></P><PRE class=php>// Binzy Wu
// 2004-4-9
// PHP Extension
#include "php.h"
#include "Binzy.h"
#if HAVE_BINZY
#if COMPILE_DL_BINZY
ZEND_GET_MODULE(binzy)
#endif
function_entry binzy_functions[] = {
PHP_FE(hellobinzy, NULL)
{NULL, NULL, NULL}
};
zend_module_entry binzy_module_entry = {
STANDARD_MODULE_HEADER,
"binzy", binzy_functions, NULL, NULL, NULL, NULL, PHP_MINFO(binzy), NO_VERSION_YET, STANDARD_MODULE_PROPERTIES
};
PHP_MINFO_FUNCTION(binzy)
{
php_info_print_table_start();
php_info_print_table_row(2, "Binzy Extension", "Enable");
php_info_print_table_end();
}
PHP_FUNCTION(hellobinzy)
{
zend_printf("Hello Binzy");
}
#endif</PRE>
<P><BR><BR>6. 编译...修改php.ini, restart apache, 写个php<BR><BR></P><PRE class=php>
<?
hellobinzy();
?>
</PRE>
<P><BR><BR>hoho~~~<BR><BR><A href="http://www.phpe.net/uploads/images/article_8_7464.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_8_7464.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR>phpinfo();<BR><A href="http://www.phpe.net/uploads/images/article_9_7480.gif" target=_blank><IMG alt="Click to fullsize" hspace=10 src="http://www.phpe.net/uploads/images/article_9_7480.gif" onload="java script:if(this.width>500) this.width=500" align=center vspace=10 border=0></A><BR><BR><BR><B>小结</B><BR>这算入门篇, 以后再一步步来~~. 慢慢深入， 有些我也不了解的。 偶是初学者。<BR><BR>Binzy Wu <BR><BR>有任何疑问请到讨论区参加本文章相关讨论：<A href="http://club.phpe.net/index.php?act=ST&f=15&t=4809" target=_blank>[url]http://club.phpe.net/index.php?act=ST&f=15&t=4809[/url]</A> </P>
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