主题:请问这<td[^>]*?>'si里面的si表示什么?
**
* 将HTML表格的每行每列转为数组,采集表格数据
*
* @param string $table
* @return array
*/
function get_td_array($table) {
$table = preg_replace("'<table[^>]*?>'si","",$table);
$table = preg_replace("'<tr[^>]*?>'si","",$table);
$table = preg_replace("'<td[^>]*?>'si","",$table);
$table = str_replace("</tr>","{tr}",$table);
$table = str_replace("</td>","{td}",$table);
$table = preg_replace("'<[\/\!]*?[^<>]*?>'si","",$table); //去掉 HTML 标记
$table = preg_replace("'([\r\n])[\s]+'","",$table); //去掉空白字符
$table = str_replace(" ","",$table);
$table = str_replace(" ","",$table);
$table = explode('{tr}', $table);
array_pop($table);
foreach ($table as $key=>$tr) {
$td = explode('{td}', $tr);
array_pop($td);
$td_array[] = $td;
}
return $td_array;
}
* 将HTML表格的每行每列转为数组,采集表格数据
*
* @param string $table
* @return array
*/
function get_td_array($table) {
$table = preg_replace("'<table[^>]*?>'si","",$table);
$table = preg_replace("'<tr[^>]*?>'si","",$table);
$table = preg_replace("'<td[^>]*?>'si","",$table);
$table = str_replace("</tr>","{tr}",$table);
$table = str_replace("</td>","{td}",$table);
$table = preg_replace("'<[\/\!]*?[^<>]*?>'si","",$table); //去掉 HTML 标记
$table = preg_replace("'([\r\n])[\s]+'","",$table); //去掉空白字符
$table = str_replace(" ","",$table);
$table = str_replace(" ","",$table);
$table = explode('{tr}', $table);
array_pop($table);
foreach ($table as $key=>$tr) {
$td = explode('{td}', $tr);
array_pop($td);
$td_array[] = $td;
}
return $td_array;
}