PHP实现从每组5句的文本中提取首句并合并展示求助

Here's how you can modify your code to extract the first sentence from each 5-sentence group and combine them into a single paragraph:

Step-by-Step Code Modification #

First, store the chunked array in a variable instead of just printing it:

//Divide the text into equal parts containing 5 sentences each
$input_array = $result;
$chunks = array_chunk($input_array, 5, true); 
// print_r($chunks); // Optional: keep for debugging

Next, loop through each chunk to collect the first sentence of each group:

$firstSentences = [];
foreach ($chunks as $chunk) {
    // Get the first element of the chunk array
    $firstSentences[] = reset($chunk);
}

Finally, join these sentences into a single paragraph and display it:

$combinedParagraph = implode(' ', $firstSentences);
echo "<p>$combinedParagraph</p>";

Full Updated Code #

//Reading file contents
$text = file_get_contents('majmunskikompjuter.txt'); 
// echo $text; // Optional: comment out if you don't need to display original text

//Divide the text into sentences
$result = preg_split('/(?<=[.?!;:])\s+/', $text, -1, PREG_SPLIT_NO_EMPTY);
// print_r($result); // Optional: comment out if you don't need to display split sentences

//Divide the text into equal parts containing 5 sentences each
$input_array = $result;
$chunks = array_chunk($input_array, 5, true); 
// print_r($chunks); // Optional: comment out if you don't need to display chunks

//Select first sentence from each part and combine into a paragraph
$firstSentences = [];
foreach ($chunks as $chunk) {
    $firstSentences[] = reset($chunk);
}
$combinedParagraph = implode(' ', $firstSentences);
echo "<p>$combinedParagraph</p>";

Notes #

• The reset() function is used to get the first element of each chunk array, regardless of its key (since array_chunk preserves keys when the third parameter is true).
• If you prefer to use array indexing instead, you can replace reset($chunk) with $chunk[array_key_first($chunk)] (requires PHP 7.3+).

内容的提问来源于stack exchange，提问作者TBV Translation