Php 突出显示4个连续匹配字
我有两个字符串，一个是模态答案，另一个是学生给出的答案。我想从学生给出的答案中突出显示4个连续匹配的单词和模态答案 我编写了下面的函数来匹配和突出显示答案字符串中的单词Php 突出显示4个连续匹配字,php,Php,我有两个字符串，一个是模态答案，另一个是学生给出的答案。我想从学生给出的答案中突出显示4个连续匹配的单词和模态答案 我编写了下面的函数来匹配和突出显示答案字符串中的单词 function getCopiedText($modelAnswer, $answer) { $modelAnsArr = explode(' ', $modelAnswer); $answerArr = explode(' ', $answer); $common = array_intersect(
function getCopiedText($modelAnswer, $answer) {
$modelAnsArr = explode(' ', $modelAnswer);
$answerArr = explode(' ', $answer);
$common = array_intersect($answerArr, $modelAnsArr);
if (isset($common) && !empty($common)) {
$common[max(array_keys($common)) + 2] = '';
$count = 0;
$word = '';
for ($i = 0; $i <= max(array_keys($common)); $i++) {
if (isset($common[$i])) {
$count++;
$word .= $common[$i] . ' ';
} else {
if ($count >= 4) {
$answer = preg_replace("@($word)@i", '<span style="color:blue">$1</span>', $answer);
}
$count = 0;
$word = '';
}
}
}
return $answer;
}
echo getCopiedText($modelAnswer, $answer);
$answer$answer$answerLorem Ipsum只是印刷和排版行业的虚拟文本。我不确定，但似乎
preg\u replaceNOT IN <span style="color:blue">is simply dummy text</span> NOT IN <span style="color:blue">when an unknown printer</span> took a galley -this- <span style="color:blue">is simply dummy text</span>
NOT IN是简单的伪文本，当一个未知的打印机拿走一个厨房时，NOT IN是简单的伪文本
为您的原始方法提供提示
每当在PHP中将变量传递给
regex@\n\\NOT IN <span style="color:blue">is simply dummy text</span> NOT IN <span style="color:blue">when an unknown printer</span> took a galley -this- <span style="color:blue">is simply dummy text</span>
NOT IN是简单的伪文本，当一个未知的打印机拿走一个厨房时，NOT IN是简单的伪文本
为您的原始方法提供提示
每当在PHP中将变量传递给
regex@\n\\Model: "one two three four one two three four five six seven"
Answer:
"two three four five two three four five six seven"
Shortened Duplicate::
"[two three four five] [[two three four five] six seven]"
Answer:
"one one two three four"
Partial Match Rewind:
"one [one two three four]"
例子： 此解决方案不区分大小写，同时考虑特殊的
@（，）Model: "one two three four one two three four five six seven"
Answer:
"two three four five two three four five six seven"
Shortened Duplicate::
"[two three four five] [[two three four five] six seven]"
Answer:
"one one two three four"
Partial Match Rewind:
"one [one two three four]"
function getCopiedText($model, $answer, $min = 4)
{
//ensure there are not double spaces
$model = str_replace(' ', ' ', $model);
$answer = str_replace(' ', ' ', $answer);
$test = new CachingIterator(new ArrayIterator(explode(' ', $answer)));
$words = $matches = [];
$p = $match = null;
//test each word
foreach($test as $i => $word) {
$words[] = $word;
$count = count($words);
if ($count === 2) {
//save pointer at second word
$p = $i;
}
//check if the phrase of words exists in the model
if (false !== stripos($model, $phrase = implode(' ', $words))) {
//only match phrases with the minimum or more words
if ($count >= $min) {
//reset back to here for more matches
$match = $phrase;
if (!$test->hasNext()) {
//add the the last word to the phrase
$matches[$match] = true;
$p = null;
}
}
} else {
//the phrase of words was no longer found
if (null !== $match && !isset($matches[$match])) {
//add the matched phrase to the list of matches
$matches[$match] = true;
$p = null;
$iterator = $test->getInnerIterator();
if ($iterator->valid()) {
//rewind pointer back to the current word since the current word may be part of the next phrase
$iterator->seek($i);
}
} elseif (null !== $p) {
//match not found, determine if we need to rewind the pointer
$iterator = $test->getInnerIterator();
if ($iterator->valid()) {
//rewind pointer back to second word since a partial phrase less than 4 words was matched
$iterator->seek($p);
}
$p = null;
}
//reset testing
$words = [];
$match = null;
}
}
//highlight the matched phrases in the answer
if (!empty($matches)) {
$phrases = array_keys($matches);
//sort phrases by the length
array_multisort(array_map('strlen', $phrases), $phrases);
//filter the matches as regular expression patterns
//order by longest phrase first to ensure double highlighting of smaller phrases
$phrases = array_map(function($phrase) {
return '/(' . preg_quote($phrase, '/') . ')/iu';
}, array_reverse($phrases));
$answer = preg_replace($phrases, '<span style="color:blue">$0</span>', $answer);
}
return $answer;
}
$modelAnswer = 'Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry`s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.';
$answer ='NOT IN is simply dummy text NOT in when an unknown printer took a galley -this- is simply dummy text of the printing and typesetting industry';
echo getCopiedText($modelAnswer, $answer);