我有格式的文本文件: hello world line 1 1234567_45674345 new line this is hello world
this is line 2 and new hello world 980765789_32345332
this is line 3 8976578_45345678 end of file
现在我有这之前强调1234567_45674
我试图为我的网站构建这个标记系统,在那里它检查写入的文章(可能是400-1000个单词),对于特定的单词和使用所有找到的关键字,从阵列。 我所做的是工作正常,但有一些问题我想解决。 $a = "This is my article and it's about apples and pears. I like strawberries as well though.";
$targets =