function Sharing for PHP content keyword substitution

/** * Content Keyword Replacement * by bbs.it-home.org */ $arr =array ( "Shoes" = "shoes", "Socks" = "socks", "Skirt" = "skirt", "Dresses" and "dresses", ); $str = "Shoes socks shoes sock shoe socks shoes socks shoes socks skirt dress"; $str =replacelink ($str, $arr, 3); Echo $str; Public Function Replacelink ($STR, $arr, $maxcount =3000) { Match a picture Preg_match_all ("/(]*>)/ius", $str, $imgs); Preg_match_all ("/(.*<\/a>)/ius", $str, $links); Replace pictures and links if ($links [1]) { foreach ($links [1] as $k = + $v) { $str =str_replace ($v, "@links_ $k", $str); } } if ($imgs [1]) { foreach ($imgs [1] as $k = + $v) { $str =str_replace ($v, "@imgs_ $k", $str); } } Match end $str =strtr ($str, $arr); Preg_match_all ("/(.*<\/a>)/ius", $str, $a); $a = $a [1]; $c =array_count_values ($a); if ($c) { $KK = 0; foreach ($c as $k = = $v) { if ($v) { if ($kk < $maxcount) { $v = $v-1; } $str =preg_replace ("/". $this->replace_quote ($k). " /i ", Str_replace (" # "," "", Strip_tags ($k)), $str, $v); } $kk + +; } } Restore pictures and Links if ($links [1]) { foreach ($links [1] as $k = + $v) { $str =str_replace ("@links_ $k", $v, $STR); } } if ($imgs [1]) { foreach ($imgs [1] as $k = + $v) { $str =str_replace ("@imgs_ $k", $v, $STR); } } return $str; } function Replace_quote ($STR) { $str =preg_quote ($STR); $str =str_replace ("/", "\ \", $STR); return $str; } Copy Code

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