php 文章分句,PHP试图将段落拆分成句子。保持标点符号

这就是我所拥有的：

/**

* @param string $str String to split

* @param string $end_of_sentence_characters Characters which represent the end of the sentence. Should be a string with no spaces (".,!?")

*

* @return array

*/

function split_sentences($str, $end_of_sentence_characters) {

$inside_quotes = false;

$buffer = "";

$result = array();

for ($i = 0; $i < strlen($str); $i++) {

$buffer .= $str[$i];

if ($str[$i] === '"') {

$inside_quotes = !$inside_quotes;

}

if (!$inside_quotes) {

if (preg_match("/[$end_of_sentence_characters]/", $str[$i])) {

$result[] = $buffer;

$buffer = "";

}

}

}

return $result;

}

$str = <<

One morning, when Gregor Samsa woke from troubled dreams, he found himself transformed in his bed into a horrible vermin. "What has happened!?" he asked himself. "I... don't know." said Samsa, "Maybe this is a bad dream." He lay on his armour-like back, and if he lifted his head a little he could see his brown belly, slightly domed and divided by arches into stiff sections.

STR;

var_dump(split_sentences($str, "."));