<?php $email = 'admin@jb51.net'; $domain = strstr($email, '@'); echo $domain; // prints @jb51.net $user = strstr($email, '@', true); // As of PHP 5.3.0 echo $user; // prints admin ?>
$city_str=fopen(cgi_path."/data/weather/city.dat","r"); $city_ch=fread($city_str,filesize(cgi_path."/data/weather/city.dat")); $city_ch_arr=explode("|",$city_ch); //如果能匹配到所在市 if(strstr($area_ga,"市")){ foreach($city_ch_arr as $city_ch_arr_item){ if(@strstr($area_ga,$city_ch_arr_item)){ echo $area_ga.'<br>'; echo $city_ch_arr_item; $s_city=$city_ch_arr_item; } } } //如果找不到市 那么看看是不是能找到省 有时会有这样的情况：广东省长城宽带 这样的一律归属到该省省府 elseif(strstr($area_ga,"河北")!==false){ $s_city="石家庄"; }elseif(strstr($area_ga,"福建")!==false){ $s_city="福州"; }elseif(strstr($area_ga,"台湾")!==false){ $s_city="台北"; }elseif(strstr($area_ga,"香港")!==false){ $s_city="香港"; }elseif(strstr($area_ga,"广西")!==false){ $s_city="南宁"; }elseif(strstr($area_ga,"浙江")!==false){ $s_city="杭州"; }elseif(strstr($area_ga,"江苏")!==false){ $s_city="南京"; }elseif(strstr($area_ga,"山东")!==false){ $s_city="济南"; }elseif(strstr($area_ga,"安徽")!==false){ $s_city="合肥"; }elseif(strstr($area_ga,"湖南")!==false){ $s_city="长沙"; }elseif(strstr($area_ga,"四川")!==false){ $s_city="成都"; }elseif(strstr($area_ga,"云南")!==false){ $s_city="昆明"; }elseif(strstr($area_ga,"广东")!==false){ $s_city="广州"; }elseif(strstr($area_ga,"贵州")!==false){ $s_city="贵阳"; }elseif(strstr($area_ga,"西藏")!==false){ $s_city="拉萨"; }elseif(strstr($area_ga,"新疆")!==false){ $s_city="乌鲁木齐"; }elseif(strstr($area_ga,"蒙古")!==false){ $s_city="呼和浩特"; }elseif(strstr($area_ga,"黑龙江")!==false){ $s_city="哈尔滨"; }elseif(strstr($area_ga,"辽宁")!==false){ $s_city="沈阳"; }elseif(strstr($area_ga,"吉林")!==false){ $s_city="长春"; }elseif(strstr($area_ga,"河南")!==false){ $s_city="郑州"; }elseif(strstr($area_ga,"湖北")!==false){ $s_city="武汉"; }elseif(strstr($area_ga,"山西")!==false){ $s_city="太原"; }elseif(strstr($area_ga,"陕西")!==false){ $s_city="西安"; }elseif(strstr($area_ga,"甘肃")!==false){ $s_city="兰州"; }elseif(strstr($area_ga,"宁夏")!==false){ $s_city="银川"; }elseif(strstr($area_ga,"海南")!==false){ $s_city="海口"; }elseif(strstr($area_ga,"江西")!==false){ $s_city="南昌"; }elseif(strstr($area_ga,"澳门")!==false){ $s_city="澳门"; } //如果都不存在 就是默认显示广州 比如本地机 else{ $s_city="广州"; }
如上代码：
其中 city.dat中是一些城市 格式是这样的
广州|深圳|汕头|惠州|珠海|揭阳|佛山|河源|阳江|茂名|湛江|梅州|肇庆|韶关|潮州|东莞|中山|清远|江门|汕尾|云浮|增城|从化|乐昌|南雄|台山|开平|鹤山|恩平|廉江|雷州|吴川|高州|化州|高要|四会|兴宁|陆丰|阳春|英德|连州|普宁|罗定|北京|天津|上海|重庆|乌鲁木齐|克拉玛依|石河子|阿拉尔|图木舒克|五家渠|哈密|吐鲁番|阿克苏|喀什|和田|伊宁|塔城|阿勒泰|奎屯|博乐|昌吉|阜康|库尔勒|阿图什|乌苏|拉萨|日喀则|银川|石嘴山|吴忠|固原|中卫|呼和浩特|包头|乌海|赤峰|通辽|鄂尔多斯|呼伦贝尔|巴彦淖尔|乌兰察布|霍林郭勒|满洲里|牙克石|扎兰屯|根河|额尔古纳|丰镇|锡林浩特|二连浩特|乌兰浩特|
参考
<?php echo strstr('aaaaaaaaaaaboaaaaaaaaaaaaboxcccccccccbcccccccccccccc','box')."<br>\n"; //输出boxcccccccccbcccccccccccccc // 完整匹配中间的box 不因前而的b而停止 echo strstr('aaaaaaAbaaa aaaa aaaaaaaaaboxccccccccccccboxccccccccccc','box')."<br>\n"; //输出boxccccccccccccboxccccccccccc // 有两个关键字时, 遇到第一个停止. echo strstr('Subscrtibe our to free newsletter about New Freew to','to')."<br>\n"; //输出to free newsletter about New Freew to ?>
注释：该函数对大小写敏感。如需进行不区分大小写的搜索，请使用 stristr() 函数。
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