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File: validator.class.php

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  Classes of kreoton  >  User input validation  >  validator.class.php  >  Download  
File: validator.class.php
Role: Class source
Content type: text/plain
Description: Class
Class: User input validation
Perform several types of text validation
Author: By
Last change:
Date: 8 years ago
Size: 2,369 bytes
 

Contents

Class file image Download
<?php

//******************************************************/
// author: kreoton
// email: kreoton@kreoton.net
//******************************************************/

class validate {

    var
$text_status = false;

    function
one_word ($input, $min_size=false) {
       
$status = false;
        if (
$min_size) {
            if (
strlen($input) >= $min_size) {
                if (
ctype_alnum($input)) {
                   
$status = true;
                }
            }
        }
        else {
            if (
ctype_alnum($input) && strlen($input) > 0) {
               
$status = true;
            }
        }
        return
$status;
    }

    function
digit($input, $decimal=false) {
       
$status = false;
        if (
$decimal) {
            if (
eregi(',')) {
               
$tmp_input = explode(',', $input);
            }
            else {
               
$tmp_input = explode('.', $input);
            }

            for (
$i=0; $i<count($tmp_input); $i++) {
                if (
ctype_digit($tmp_input[$i])) {
                   
$status = true;
                }
            }
        }
        else {
            if (
ctype_digit($input)){
               
$status = true;
            }
        }
        return
$status;
    }

    function
email ($input) {
       
$status = false;
        if (
eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$", $input)) {
           
$status = true;
        }
        return
$status;
    }

    function
url( $urladdr ) {
       
$regexp = "^(https?://)?(([0-9a-z_!~*'().&=+$%-]+:)?[0-9a-z_!~*'().&=+$%-]+@)?((([12]?[0-9]{1,2}\.){3}[12]?[0-9]{1,2})|(([0-9a-z_!~*'()-]+\.)*([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\.(com|net|org|edu|mil|gov|int|aero|coop|museum|name|info|biz|pro|[a-z]{2})))(:[1-6]?[0-9]{1,4})?((/?)|(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";

        if (
eregi( $regexp, $urladdr )){
            if (!
eregi( "^https?://", $urladdr )) $urladdr = "http://" . $urladdr;

            if (!
eregi( "^https?://.+/", $urladdr )) $urladdr .= "/";
            if ((
eregi( "/[0-9a-z~_-]+$", $urladdr)) && (!eregi( "[\?;&=+\$,#]", $urladdr))) $urladdr .= "/";
            return
true;
        }
        else {
            return
false;
        }

    }


    function
valid_text ($input, $return=false, $safe=false) {
       
$text = false;
        if (
$return == true) {
            if (
strlen(trim($input)) > 0) {
                if (
$safe) {
                   
$text = strip_tags($input);
                   
$text = htmlspecialchars($text);
                }
                else {
                    if (!
get_magic_quotes_gpc()) {
                       
$text = addslashes($input);
                    }
                    else {
                       
$text = $input;
                    }
                }
            }
        }
        else {
            if (
strlen(trim($input)) > 0) {
               
$text = true;
            }
        }
        return
$text;
    }

}

?>