Maison >développement back-end >tutoriel php >php如何对文件做处理,并提取内容生成文件?
php生成文件 php
这是一个原html文件<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div><div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div><div class="footer"></div></body></html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><!-- Start --><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div><!-- End --><!-- Start --><div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div><!-- End --><!-- Start --><div class="footer"></div></body></html><!-- End -->
$s =<<< HTML<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><!-- Start --><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div><!-- End --> <!-- Start --><div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div><!-- End --> <!-- Start --><div class="footer"></div></body></html><!-- End -->HTML;preg_match_all('/.*?<!-- End -->/is', $s, $r);print_r($r[0]);得到
Array( [0] => <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><!-- Start --><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div><!-- End --> [1] => <!-- Start --><div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div><!-- End --> [2] => <!-- Start --><div class="footer"></div></body></html><!-- End -->)
$fn = array('head.html', ' index.html', 'foot.html');foreach($r[0] as $i=>$s) file_put_contents($fn[$i], $s);
$s =<<< HTML<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div> <div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div> <div class="footer"></div></body></html>HTML;$ar = preg_split("/(<!.+?>\s+|\r?\n\s\r?\n)/s", $s, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);$d = array(PHP_EOL.'<!-- End -->', '<!-- Start -->'.PHP_EOL);foreach($ar as $i=>$v) { if($i) echo $d[$i%2]; echo $v;}echo $d[0];
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><!-- Start --><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="header"></div><!-- End --> <!-- Start --><div class="warp"><div><br /></div><div><br /></div><div><br /></div><div><br /></div></div><!-- End --> <!-- Start --><div class="footer"></div></body></html><!-- End -->