Several methods to obtain all a link addresses in an html string-PHP source code

Optional & quot; & gt; dir & lt; a & gt; & quot; print_r (gethref ($ ss); & nbsp; & nbsp script ec (2); script

The Code is as follows:
$ Ss = "dadfxxdir "; Print_r (gethref ($ ss )); Function gethref ($ temp ){ Preg_match_all ('/(. + ?)/Sim ', $ temp, $ ); Return $ a [1]; }

// All the following a connections

The Code is as follows:
$ Htm = preg_replace ("@ is", "$1", $ ss ); Print_r ($ htm );

// Completely extract the url Connection address

The Code is as follows:
$ Url = "http://www.111cn.net "; $ Html = file_get_contents ($ url, "r "); Preg_match_all ("/(] *) (>) ([^ <] *) (<) ([^>] *) (>)/", $ html, $ matches ); For ($ I = 0; $ I { Echo "| ". $ matches [2] [$ I]. "| ". $ matches [3] [$ I]. $ matches [4] [$ I]. "| ". $ matches [6] [$ I]. "| ". $ matches [8] [$ I]." "; }

// Extract all link addresses in the document string

The Code is as follows:
Preg_match_all ('/(? <= Href = ") [wd.:/] */', $ str, $ fstr );