PHP implements method of traversing specified files in a directory

This article mainly introduces PHP's simple method of traversing specific files in a directory. It combines two simple examples to summarize and analyze PHP's traversal query operation skills for specified files in a directory. Friends who need it can refer to it

The example in this article describes how PHP simply implements traversing specific files in a directory. Share it with everyone for your reference, the details are as follows:

1. Use the glob method

foreach (glob("modules/*.php") as $filename) {
  echo $filename;
}

2. Use Linux Under the ls command

function iterator($pattern, $__FILE__) {
 preg_match("/^(.+)\/[^\/]+$/", $__FILE__, $matches);
 $ls = `ls $matches[1]/$pattern`;
 $ls = explode("\n", $ls);
 array_pop($ls); // remove empty line ls always prints
 foreach ($ls as $inc) {
  echo($inc);
 }
}
iterator("modules/*.php",__FILE__);

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