php中如何將多維數組轉換為單個數組？我花了幾個小時來尋找解決方案，但找不到適合我的解決方案。這是我的代碼：<?php$arrContextOptions=array( "ssl"=>array( "verify_peer"=>false, "verify_peer_name"=>false, "http" => array( "header" => "User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36" ) ));$source_url = 'http://netsparker.com/';$html = file_get_contents($source_url,false, stream_context_create($arrContextOptions));$dom = new DOMDocument;@$dom->loadHTML($html);$links = $dom->getElementsByTagName('a');foreach ($links as $link) { $result_url = $link->getAttribute('href'); if (!preg_match('/^https?:\/\//', $result_url)) { $result_url = $source_url . preg_replace('/^\//', '', $result_url); } $array2 = array($result_url); print_r($array2);}?>Array( [0] => http://github.com/#start-of-content)Array( [0] => https://help.github.com/articles/supported-browsers)Array( [0] => https://github.com/)Array( [0] => http://github.com/join?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F&source=header-home)Array( [0] => http://github.com/features)Array( [0] => http://github.com/features/code-review/)Array( [0] => http://github.com/features/project-management/)....我想把它變成：Array( [0] => http://github.com/ [1] => http://github.com/collections [2] => http://github.com/topics [3] => http://github.com/explore [4] => http://github.com/enterprise .......) 我嘗試使用 foreach、ArrayIterator、flatten 但似乎不起作用。我還嘗試將 result_url 轉換為數組，但也不起作用。
1 回答
肥皂起泡泡
TA貢獻1829條經驗 獲得超6個贊
嘗試將值推送到foreach循環中的單個數組中：
$array2 = [];
foreach ($links as $link) {
$result_url = $link->getAttribute('href');
if (!preg_match('/^https?:\/\//', $result_url)) {
$result_url = $source_url . preg_replace('/^\//', '', $result_url);
}
$array2[] = $result_url;
}
print_r($array2);
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