Merge pull request #4 from Funcer8/master

Use newest Unihan_Readings.txt and adapt to the structure change of it; PHP 7.4 compatibility fix

includes/Converter.php

@@ -9,7 +9,7 @@ class Converter {
 		for ($i = 0; $i < $len; $i++) {
 			$char = mb_substr($string, $i, 1, 'UTF-8');
 			$charLen = strlen($char);
-			if (ord($char{0}) < 128) {
+			if (ord($char[0]) < 128) {
 				$builder .= $char;
 			} else if (isset(ConversionTable::$zh2pinyin[$char])) {
 				$builder .= ucfirst(ConversionTable::$zh2pinyin[$char]);

maintenance/generate.php

@@ -36,7 +36,7 @@ foreach ($lines as $line) {
 		continue;
 	}
 	// Comment
-	if ($line{0} === '#') {
+	if ($line[0] === '#') {
 		continue;
 	}
 	$comp = explode("\t", $line);
@@ -47,7 +47,7 @@ foreach ($lines as $line) {
 	$code = hexdec(str_replace('U+', '', $comp[0]));
 	$char = uchr($code);
 
-	$pinyin = str_replace(array('ā', 'á', 'ǎ', 'à'), 'a', $comp[2]);
+	$pinyin = str_replace(array('ā', 'á', 'ǎ', 'à'), 'a', explode(' ', $comp[2])[0]);
 	$pinyin = str_replace(array('ī', 'í', 'ǐ', 'ì'), 'i', $pinyin);
 	$pinyin = str_replace(array('ū', 'ú', 'ǔ', 'ù'), 'u', $pinyin);
 	$pinyin = str_replace(array('ē', 'é', 'ě', 'è'), 'e', $pinyin);