PHP Common Forms Validation Class usage Example _php tutorial

PHP Common Forms Validation Class usage instance

The example in this paper describes the use of PHP common forms validation class. Share to everyone for your reference. Specific as follows:

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/** * Page function: Common Forms Validation Class * Author: Gladly with the wind * qq:276624915 */ Class Class_post { Verifies whether a combination of letters/numbers of a specified length function Fun_text1 ($num 1, $num 2, $STR) { Return (Preg_match ("/^[a-za-z0-9]{". $num 1. ",". $num 2. "} $/", $str))? True:false; } Verifies whether a number is a specified length function Fun_text2 ($num 1, $num 2, $STR) { Return (Preg_match ("/^[0-9]{". $num 1. ",". $num 2. "} $/i ", $str))? True:false; } Verifies whether the specified length is a Chinese character function Fun_font ($num 1, $num 2, $STR) { Preg_match ("/^[\xa0-\xff]{1,4}$/", $string); Return (Preg_match ("/^ ([\x81-\xfe][\x40-\xfe]) {". $num 1. ",". $num 2. "} $/", $str))? True:false; } Verify the ID number function Fun_status ($STR) { Return (Preg_match ('/(^ [\d]{15}|[ \d]{18}| [\d] {17}x) $)/', $str))? True:false; } Verify email address function Fun_email ($STR) { Return (Preg_match ('/^[_\.0-9a-z-]+@ ([0-9a-z][0-9a-z-]+\.) +[a-z]{2,4}$/', $str))? True:false; } Verify phone number function Fun_phone ($STR) { Return (Preg_match ("/^ (\d{3}\) | ( \d{3}\-))? (\ (0\d{2,3}\) |0\d{2,3}-)? [1-9]\d{6,7}$/", $str))? True:false; } Verify ZIP Code function Fun_zip ($STR) { Return (Preg_match ("/^[1-9]\d{5}$/", $str)) True:false; } Verify the URL address function Fun_url ($STR) { Return (Preg_match ("/^http:\/\/[a-za-z0-9]+\.[ a-za-z0-9]+[\/=\?%\ -&_~ ' @[\]\ ': +!] * ([^<>\ "]) *$/", $str))? True:false; } Data inbound Escape special character incoming value can be a string or a one-dimensional array Function Data_join (& $data) { if (GET_MAGIC_QUOTES_GPC () = = False) { if (Is_array ($data)) { foreach ($data as $k = $v) { $data [$k] = addslashes ($v); } } Else { $data = Addslashes ($data); } } Return $data; } Data out-of-Library restore special characters incoming values can be strings or one/two-dimensional arrays Function Data_revert (& $data) { if (Is_array ($data)) { foreach ($data as $k 1 = $v 1) { if (Is_array ($v 1)) { foreach ($v 1 as $k 2 = $v 2) { $data [$k 1][$k 2] = stripslashes ($v 2); } } Else { $data [$k 1] = stripslashes ($v 1); } } } Else { $data = Stripslashes ($data); } Return $data; } Data display the Restore data format is primarily used for content output incoming values can be strings or one/two-dimensional arrays You should data_revert () before executing this method, and the contents of the form need not be restored Function Data_show (& $data) { if (Is_array ($data)) { foreach ($data as $k 1 = $v 1) { if (Is_array ($v 1)) { foreach ($v 1 as $k 2 = $v 2) { $data [$k 1][$k 2]=nl2br (Htmlspecialchars ($data [$k 1][$k 2]); $data [$k 1][$k 2]=str_replace ("", "", $data [$k 1][$k 2]); $data [$k 1][$k 2]=str_replace ("\ n", " \ n ", $data [$k 1][$k 2]); } } Else { $data [$k 1]=nl2br (Htmlspecialchars ($data [$k 1]); $data [$k 1]=str_replace ("", "", $data [$k 1]); $data [$k 1]=str_replace ("\ n", " \ n ", $data [$k 1]); } } } Else { $data =nl2br (Htmlspecialchars ($data)); $data =str_replace ("", "", $data); $data =str_replace ("\ n", " \ n ", $data); } Return $data; } } ?>

I hope this article is helpful to everyone's PHP programming.

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