divide the lyrics into sync and unsync lyrics

gistfile1.aw

<?php
	/**
		目的：分流歌詞成同步歌詞與非同步歌詞。
		step1 將文件內容轉換為UTF-8編碼
		step2 針對文件內容每一行，判斷是否存在timecode，若有則為同步歌詞，反之為非同步
		step3 若unsync長度少於十行，應從sync中過濾出非同步歌詞
		step4 儲存	
	*/
	require_once("encoding.php");	

	
	$list = array("640708.txt",
		"640709.txt",
		"640999.txt");
	
	foreach ($list as $lyrics) {
		//step1
		$content = file_get_contents($lyrics);
		$encoding = getFileEncoding($content);
		$utf8 = iconv($encoding, "UTF-8", $content);

		//step2
		$lines = explode("\r\n", $utf8);

		$sync = array();
		$sync_without_timecode = array();
		$unsync = array();
		$remainder = array();
		
		$regexp = "/([[0-9a-z]+:[^]]+])/";
		
		foreach ($lines as $line) {
			if (preg_match($regexp, $line)) {
				$sync []= $line;
				$sync_without_timecode []= preg_replace($regexp, "", $line);
			} else {
				$remainder []= $line;
			}
		
		}

		//step3
		if (count($remainder) <= 10) {
			$unsync = $sync_without_timecode;
		} else {
			$unsync = $remainder;
		}

		//step4
		file_put_contents(basename($lyrics) . "_sync.lrc", implode("\r\n", $sync));
		file_put_contents(basename($lyrics) . "_unsync.lrc", implode("\r\n", $unsync));
		echo "\n[SYNC] => \n" . file_get_contents(basename($lyrics) . "_sync.lrc");
		echo "\n[UNSYNC] => \n" . file_get_contents(basename($lyrics) . "_unsync.lrc");
	}
?>