PHP common Form Validation Class usage example

This example describes the usage of PHP's common form validation classes. Share to everyone for your reference. Specifically as follows:

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<?php/** * page role: Common form Validation class * Author: Gladly with the wind * qq:276624915/class Class_post {//Verify that the letter/number combination function for the specified length fun_text1 ($num 1, $num 2, $str) {return (Preg_match ("/^[a-za-z0-9]{". $num 1. ",". $num 2. "} $/", $str))? True:false; //Verify that the specified length numeric function fun_text2 ($num 1, $num 2, $str) {return Preg_match ("/^[0-9]{". $num 1. ",". $num 2. "} $/i ", $str))? True:false; //Verify if the specified length Kanji function fun_font ($num 1, $num 2, $STR) {//Preg_match ("/^[xa0-xff]{1,4}$/", $string);   Return (preg_ Match ("/^ ([X81-xfe][x40-xfe]) {". $num 1. ",". $num 2. "} $/", $str))? True:false; //Verify ID number function Fun_status ($STR) {return Preg_match ('/(^ d]{15}|[ d]{18}| [d] {17}x) $)/', $str) ' True:false; //Verify mail address function Fun_email ($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}-))? ((0d{2,3}) |0d{2,3}-)? [1-9]d{6,7}$/, $str)] true:false; }//Verify Zip function Fun_zip ($str) {return (Preg_match ("/^[1-9]d{5}$/", $str))? True:false;Certificate URL address function Fun_url ($STR) {return (Preg_match) ("/^http://[a-za-z0-9]+.[ a-za-z0-9]+[/=?%-&_~ ' @[] ': +!] * ([^<> "]) *$/", $str))? True:false; ///Data warehousing escape special characters incoming values can be string or one-dimensional Array function Data_join (& $data) {if (GET_MAGIC_QUOTES_GPC () = False) {if Is_array ($dat A) {foreach ($data as $k => $v) {$data [$k] = addslashes ($v);} else {$data = Addslashes ($data);}} return $data; }//Database restore special characters incoming values can be string or one/two D array 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 should be Data_revert () before executing this method for a string or a/two D array, and the form content does not need this restore function data_show (& $data) {if Is_ar Ray ($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]=NL2 BR (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", "<br>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", "<br>n", $data [$k 1]); }} else {$data =nl2br (Htmlspecialchars ($data)); $data =str_replace ("", "", $data); $data =str_replace ("n", "<br>n", $data); return $data; }}?>

I hope this article will help you with your PHP programming.