匹配字母而不是数组中的单词

Question

我正在使用下面的代码来标识数组中的作者

foreach($authors as $key => $list){
    foreach($coauthors as $key => $co){
         $searchword = $list['author'];
            $matches = array_filter($co, function($var) use ($searchword) { return preg_match("/\b$searchword\b/i", $var); });
                        if($matches){ // do something cool }

此代码将匹配作者列表中的“ bob，s”和“ bob，s”，但不匹配“ bob，sm”。 但是，“ bob”将与“ bob，s”匹配。

我需要这样做，以使“ author，i”匹配以这些字符开头的所有内容，而不是像现在看起来那样查找整个单词，即它匹配“ author，ii”，“ author，iai”等

---

编辑

我已将要打印的输出的屏幕截图附加到屏幕上，希望它可以解释我的工作。 $ authors是我要尝试与共同作者列表匹配的作者列表。 在屏幕截图中，您可以看到作者adam与两个共同作者列表中的adam和adam，k匹配。 这也适用于adams和adams，ky，但是没有显示ahmed，m和ahmed，mp的匹配项（忽略最后一位作者）

编辑

请求的输出。 警告这是巨大的并且有很多丢失的数据，仅仅是因为我正在使用一个小的数据集来修复此错误

searchword=adam, var=, rtn=NO MATCH searchword=adam, var=adam, rtn=MATCH searchword=adam, var=adams, rtn=NO MATCH searchword=adam, var=ahmed, m, rtn=NO MATCH searchword=adam, var=mazzoferro, v, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=1, rtn=NO MATCH searchword=adam, var=0, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=adam, k, rtn=MATCH searchword=adam, var=adams, ky, rtn=NO MATCH searchword=adam, var=ahmed, mp, rtn=NO MATCH searchword=adam, var=mazzoferro, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=2, rtn=NO MATCH searchword=adam, var=0, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=adam, rtn=NO MATCH searchword=adams, var=adams, rtn=MATCH searchword=adams, var=ahmed, m, rtn=NO MATCH searchword=adams, var=mazzoferro, v, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=1, rtn=NO MATCH searchword=adams, var=0, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=adam, k, rtn=NO MATCH searchword=adams, var=adams, ky, rtn=MATCH searchword=adams, var=ahmed, mp, rtn=NO MATCH searchword=adams, var=mazzoferro, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=2, rtn=NO MATCH searchword=adams, var=0, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=adam, rtn=NO MATCH searchword=ahmed, m, var=adams, rtn=NO MATCH searchword=ahmed, m, var=ahmed, m, rtn=MATCH searchword=ahmed, m, var=mazzoferro, v, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=1, rtn=NO MATCH searchword=ahmed, m, var=0, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=adam, k, rtn=NO MATCH searchword=ahmed, m, var=adams, ky, rtn=NO MATCH searchword=ahmed, m, var=ahmed, mp, rtn=NO MATCH searchword=ahmed, m, var=mazzoferro, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=2, rtn=NO MATCH searchword=ahmed, m, var=0, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=adam, rtn=NO MATCH searchword=mazzoferro, v, var=adams, rtn=NO MATCH searchword=mazzoferro, v, var=ahmed, m, rtn=NO MATCH searchword=mazzoferro, v, var=mazzoferro, v, rtn=MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=1, rtn=NO MATCH searchword=mazzoferro, v, var=0, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=adam, k, rtn=NO MATCH searchword=mazzoferro, v, var=adams, ky, rtn=NO MATCH searchword=mazzoferro, v, var=ahmed, mp, rtn=NO MATCH searchword=mazzoferro, v, var=mazzoferro, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=2, rtn=NO MATCH searchword=mazzoferro, v, var=0, rtn=NO MATCH

删除结尾的/ b后的输出

searchword=adam, var=, rtn=NO MATCH searchword=adam, var=adam, rtn=MATCH searchword=adam, var=adams, rtn=MATCH searchword=adam, var=ahmed, m, rtn=NO MATCH searchword=adam, var=mazzoferro, v, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=1, rtn=NO MATCH searchword=adam, var=0, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=adam, k, rtn=MATCH searchword=adam, var=adams, ky, rtn=MATCH searchword=adam, var=ahmed, mp, rtn=NO MATCH searchword=adam, var=mazzoferro, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=, rtn=NO MATCH searchword=adam, var=2, rtn=NO MATCH searchword=adam, var=0, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=adam, rtn=NO MATCH searchword=adams, var=adams, rtn=MATCH searchword=adams, var=ahmed, m, rtn=NO MATCH searchword=adams, var=mazzoferro, v, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=1, rtn=NO MATCH searchword=adams, var=0, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=adam, k, rtn=NO MATCH searchword=adams, var=adams, ky, rtn=MATCH searchword=adams, var=ahmed, mp, rtn=NO MATCH searchword=adams, var=mazzoferro, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=, rtn=NO MATCH searchword=adams, var=2, rtn=NO MATCH searchword=adams, var=0, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=adam, rtn=NO MATCH searchword=ahmed, m, var=adams, rtn=NO MATCH searchword=ahmed, m, var=ahmed, m, rtn=MATCH searchword=ahmed, m, var=mazzoferro, v, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=1, rtn=NO MATCH searchword=ahmed, m, var=0, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=adam, k, rtn=NO MATCH searchword=ahmed, m, var=adams, ky, rtn=NO MATCH searchword=ahmed, m, var=ahmed, mp, rtn=MATCH searchword=ahmed, m, var=mazzoferro, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=, rtn=NO MATCH searchword=ahmed, m, var=2, rtn=NO MATCH searchword=ahmed, m, var=0, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=adam, rtn=NO MATCH searchword=mazzoferro, v, var=adams, rtn=NO MATCH searchword=mazzoferro, v, var=ahmed, m, rtn=NO MATCH searchword=mazzoferro, v, var=mazzoferro, v, rtn=MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=1, rtn=NO MATCH searchword=mazzoferro, v, var=0, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=adam, k, rtn=NO MATCH searchword=mazzoferro, v, var=adams, ky, rtn=NO MATCH searchword=mazzoferro, v, var=ahmed, mp, rtn=NO MATCH searchword=mazzoferro, v, var=mazzoferro, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=, rtn=NO MATCH searchword=mazzoferro, v, var=2, rtn=NO MATCH searchword=mazzoferro, v, var=0, rtn=NO MATCH

Answer 1

这是您的代码：

preg_match("/\b$searchword\b/i", ...

$searchword之前和之后的\\b告诉preg_match，单词前后必须有一个中断。 删除它们，无论单词在何处打断，它都会匹配。

preg_match("/$searchword/i", ...

---

编辑-进行这些更改，然后让我们知道输出是什么

foreach($authors as $key => $list){
    foreach($coauthors as $key => $co){
         $searchword = $list['author'];
            $matches = array_filter($co, 
function($var) use ($searchword) { 
$rtn = preg_match("/\b$searchword/i", $var); 
echo "searchword=$searchword, var=$var, rtn=".($rtn?'MATCH':'NO MATCH')."<br />\n";
});
                        if($matches){ // do something cool }

Answer 2

这可能是您要寻找的：

foreach($authors as $list) {
    $searchword = $list['author'];
    foreach($coauthors as $co) { 
        $matches = array_filter($co, function($var) use ($searchword) {
            return strncasecmp($searchword, $var, strlen($searchword)) == 0;
        });
        if ( ! empty($matches)) {
            // do something cool
        }
    }
}

来自PHP手册 ：strncasecmp —前n个字符的二进制安全，不区分大小写的字符串比较

它的作用是：对于$list['author'] -value和$co -array的每种组合， $matches将填充$co中所有以$list['author']开头的（string-）元素。 $list['author'] （不区分大小写的比较）。 请注意， $matches将在每个循环中被覆盖。

---

更新：我只是做了以下测试：

$authors = array(array('author' => 'ahmed, m'));
$coauthors = array(array('ahmed, m', 'ahmed, mp'));
$allMatches = array();
foreach($authors as $list) {
    $searchword = $list['author'];
    foreach($coauthors as $co) { 
        $matches = array_filter($co, function($var) use ($searchword) {
            return strncasecmp($searchword, $var, strlen($searchword)) == 0;
        });
        if ( ! empty($matches)) {
            $allMatches[] = $matches;
        }
    }
}
var_dump($allMatches);

这样得出的结果：

array (size=1)
  0 => 
    array (size=2)
      0 => string 'ahmed, m' (length=8)
      1 => string 'ahmed, mp' (length=9)

因此， ahmed, mp与ahmed, m匹配。

Answer 3

无需使用preg_match（）。 您可以使用strpos（）编写适当的函数；

看一下这个：

 $haystack = array('abcde', 'adsfzvabcde', 'bcde', 'abasdfasd', 'cdefg');
 $searchWord = 'ab';
 $matches = array_filter($haystack, function($haystack) use ($searchWord){
     return $searchWord === "" || strrpos($haystack, $searchWord, -strlen($haystack)) !== FALSE;
 });
 print_r($matches);

它将找到所有以$ searchWord开头的字符串

输出将是：

Array ( [0] => abcde [3] => abasdfasd )

答案就是基于这个功能