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✏️ Editing: class.validation.php

<?php
/**
 * WPGMP Validator class File.
 * @package Core
 * @author Flipper Code <hello@flippercode.com>
 */

if ( ! class_exists( 'FlipperCode_Validator' ) ) {

/**
	 * FlipperCode_Validator Class
	 * @author Flipper Code <hello@flippercode.com>
	 * @package Core
	 */
	class FlipperCode_Validator {
		/**
		 * FlipperCode_Validator Constructer.
		 */
		public function __construct() {

$this->id = 0;
		}
		/**
		 * Check if rule already exists.
		 * @param  string $varname Element name.
		 * @param  string $authType Validation Type.
		 * @return boolean           True or False.
		 */
		function is_exist($varname, $authType) {

for ( $i = 0;$i < $this->id;$i++ ) {
				if ( $this->check_vars[ $i ]['name'] == $varname	&& $this->check_vars[ $i ]['authtype'] == $authType ) {
					return true; }
			}

return false;
		}
		/**
		 * Add rule in queue.
		 * @param string $varname  Element name.
		 * @param array  $postVar Post Variable.
		 * @param string $authType Validation Type.
		 * @param string $error    Error message.
		 */
		public function add($varname, $postVar, $authType, $error) {

global $frmdata;

$is_exist = $this->is_exist( $varname,$authType );

if ( true == $is_exist ) {
				return; }

$index = $this->id++;
			$this->check_vars[ $index ]['name'] = $varname;
			$this->check_vars[ $index ]['data'] = $postVar;
			$this->check_vars[ $index ]['authtype'] = $authType;
			$this->check_vars[ $index ]['error'] = $error;
		}

/**
		 * Validate all rules.
		 * @return string Validation response.
		 */
		public function validate() {

$errordata = array();

for ( $i = 0; $i < $this->id; $i++ ) {

$errorMsg = '';
				$name = $this->check_vars[ $i ]['name'];
				$postVar  = $this->check_vars[ $i ]['data'];
				$authType = $this->check_vars[ $i ]['authtype'];
				$error    = $this->check_vars[ $i ]['error'];
				$pos = strpos( $authType, '=' );

if ( false != $pos ) {
					$authType = substr( $this->check_vars[ $i ]['authtype'], 0, $pos );
					$value    = substr( $this->check_vars[ $i ]['authtype'], $pos + 1 );
				}

switch ( $authType ) {

case 'req': {

if ( isset( $postVar['name'] ) and is_array( $postVar['name'] ) ) {

$count = count( $postVar['name'] );

for ( $j = 0; $j < $count; $j++ ) {
								$length = strlen( trim( $postVar['name'][ $j ] ) );
								if ( ! $length ) {
									$errorMsg .= $error.' :File '.($j + 1).''; }
							}
						} elseif ( isset( $postVar['name'] ) && empty( $postVar['name'] ) ) {

$length = strlen( trim( $postVar['name'] ) );
							if ( ! $length ) {
								$errorMsg .= $error.''; }
						} else {

$length = strlen( trim( $postVar ) );
							if ( ! $length ) {
								$errorMsg .= $error.''; }
						}

break;
					}

case 'alpha': {
						$regexp = '/^[A-za-z]$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'alphanum': {
						$regexp = '/^[A-za-z0-9]$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'num': {
						$regexp = '/^[0-9]*$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'max': {
						$length = strlen( trim( $postVar ) );
						if ( $length > $value ) {
							$errorMsg .= $error.' '; }
						break;
					}

case 'min': {
						$length = strlen( trim( $postVar ) );
						if ( $length < $value && 0 != $length ) {
							$errorMsg .= $error.' '; }
						break;
					}

case 'lte': {
						if ( is_array( $postVar ) ) {
							$count = count( $postVar );
							if ( $count > $value ) {
								$errorMsg .= $error.' '; }
						} else {
							if ( $postVar > $value ) {
								$errorMsg .= $error.' '; }
						}
					 break;
					}

case 'gte':{
						if ( is_array( $postVar ) ) {
						 	$count = count( $postVar );
							if ( $count < $value ) {
								$errorMsg .= $error.' '; }
						} else {
							if ( $postVar < $value ) {
								$length = strlen( trim( $postVar ) );
								if ( $length ) {
									$errorMsg .= $error.' '; }
	 }
						}
						break;
					}

case 'username': {
						$regexp1 = '/^[0-9]$/';
						$regexp2 = '/^[a-zA-Z]+[a-zA-Z0-9\.\_]*[a-zA-Z0-9]+$/';
						if ( ! preg_match( $regexp1, trim( $postVar ) ) && ! preg_match( $regexp2, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'name':{
						$regexp = '/^[a-zA-Z]+[a-zA-Z\.\- ]*[a-zA-Z]+$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'address':{
						$regexp = '/^[a-zA-Z0-9]+.*$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'phone': {

if ( isset( $value ) ) {
							$found = strpos( $value, ',' );
							if ( false === $found ) {
								$options[0] = $value;
							} else {
								$options = explode( ',', $value );
							}
						}

$patternMatch = 0;
						foreach ( $options as $opt ) {
							$type = $this->available_phone_type( $opt );
							foreach ( $type as $regexp ) {
								if ( preg_match( $regexp, $postVar ) ) {
									$patternMatch = 1;
								}
							}
						    if ( $patternMatch ) { break; }
						}

if ( ! $patternMatch ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
						}
						break;
					}

case 'allphone': {

$regexp1 = '/^[0-9]{8,15}$/';
						// (+91)1111111111
						$regexp2 = '/^[$][\+][0-9]{2}[$][0-9]{8,15}$/';
						// +911111111111
						$regexp3 = '/^[\+][0-9]{2}[0-9]{8,15}$/';
						// 91-1111111111
						$regexp4 = '/^[0-9]{2}[\-][0-9]{10}$/';
						$regexp5 = '/^[0-9,\-]{8,15}$/';
						$regexp6 = '/^[0-9,$][0-9,\-,\(,$][0-9,\)]{10,15}$/';

if ( ! preg_match( $regexp1, trim( $postVar ) ) && ! preg_match( $regexp2, trim( $postVar ) ) && ! preg_match( $regexp3, trim( $postVar ) ) && ! preg_match( $regexp4, trim( $postVar ) ) && ! preg_match( $regexp5, trim( $postVar ) ) && ! preg_match( $regexp6, trim( $postVar ) ) ) {
							$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'zip':{
						$regexp = '/^[0-9]{6,10}$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'uszip':{
						// 12345-6789
						$regexp = '/^[0-9]{5}[\-]{1}[0-9]{4}$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'ukzip':{

$regexp = '/^[a-zA-Z]{2}[0-9]{1}[ ]{1}[0-9]{1}[a-zA-Z]{2}$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'ssn':{
						$regexp = '/^(?!000)([0-6][0-9]{2}|7([0-6][0-9]|7[012]))([ -]?)(?!00)[0-9][0-9]\3(?!0000)[0-9]{4}$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'currency':{
						$regexp1 = '/^[0-9]+\.[0-9]+$/';
						$regexp2 = '/^[0-9]+$/';
						if ( ! preg_match( $regexp1, trim( $postVar ) ) && ! preg_match( $regexp2, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}

case 'email':{
					    if ( function_exists( 'is_email' ) ) {

if ( ! is_email( trim( $postVar ) ) ) {

$errorMsg .= $error.' ';
						 	}
						} else {
						 $regexp = '/^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/';
							if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
								$length = strlen( trim( $postVar ) );
								if ( $length ) {
									$errorMsg .= $error.' '; }
							}
						}
						break;
					}

case 'url':{
						$regexp = '|^http(s)?://[a-z0-9-]+(\.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
						}
						break;
					}

case 'ip':{
						$regexp = '/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/';
						if ( ! preg_match( $regexp, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
						}
						break;
					}

case 'date':{
						$errorMsg .= $this->validate_date( trim( $postVar ), $value, $error );
						break;
					}

case 'ftype':{
						$errorMsg .= $this->validate_file_type( $postVar, $value, $error );
						break;
					}

case 'fsize':{
		                $errorMsg .= $this->validate_file_size( $postVar, $value, $error );
						break;
					}

case 'imgwh':{
	                	$errorMsg .= $this->validate_image_height_width( $postVar, $value, $error );
						break;
					}

case 'custom':{
						if ( ! preg_match( $value, trim( $postVar ) ) ) {
	 						$length = strlen( trim( $postVar ) );
							if ( $length ) {
								$errorMsg .= $error.' '; }
	 }
						break;
					}
				}

if ( $errorMsg ) {
					$errordata[ $name ] = $error; }
			}

if ( $errordata ) {
				return $errordata;
			} else { 			return false; }
		}
		/**
		 * Validate data input.
		 * @param  string $postVar Element name.
		 * @param  string $value   Element value.
		 * @param  string $error   Error message.
		 * @return string          Error message if not valid.
		 */
	    function validate_date($postVar, $value, $error) {

$errorMsg = '';

$length = strlen( trim( $postVar ) );
			if ( $length ) {

if ( isset( $value ) ) {

$found = strpos( $value, ',' );
					if ( false === $found ) {
						$options[0] = $value;
					} else {
						$options = explode( ',', $value );
					}
				} else {

$options[0] = 'dd-mm-yyyy';
				}

$patternMatch = 0;
				foreach ( $options as $opt ) {

$pos1 = strpos( $opt, '-' );
					$pos2 = strpos( $opt, '/' );
					$pos3 = strpos( $opt, '.' );

if ( false !== $pos1 ) {
						if ( 2 == $pos1 ) {
							if ( strlen( $opt ) == 8 ) {
								$regexp = '/^[0-9]{2}[\-][0-9]{2}[\-][0-9]{2}$/';
							} else { 							$regexp = '/^[0-9]{2}[\-][0-9]{2}[\-][0-9]{4}$/'; }
						}
						if ( 4 == $pos1 ) {
							$regexp = '/^[0-9]{4}[\-][0-9]{2}[\-][0-9]{2}$/'; }
					}

if ( false !== $pos2 ) {
						if ( 2 == $pos2 ) {
							if ( strlen( $opt ) == 8 ) {
								$regexp = '/^[0-9]{2}[\/][0-9]{2}[\/][0-9]{2}$/';
							} else { 							$regexp = '/^[0-9]{2}[\/][0-9]{2}[\/][0-9]{4}$/'; }
						}
						if ( 4 == $pos2 ) {
							$regexp = '/^[0-9]{4}[\/][0-9]{2}[\/][0-9]{2}$/'; }
					}

if ( false !== $pos3 ) {
						if ( 2 == $pos3 ) {
							if ( 8 == strlen( $opt ) ) {
								$regexp = '/^[0-9]{2}[\.][0-9]{2}[\.][0-9]{2}$/';
							} else { 							$regexp = '/^[0-9]{2}[\.][0-9]{2}[\.][0-9]{4}$/'; }
						}
						if ( 4 == $pos3 ) {
							$regexp = '/^[0-9]{4}[\.][0-9]{2}[\.][0-9]{2}$/'; }
					}

if ( preg_match( $regexp, $postVar ) ) {

$patternMatch = 1;
						if ( (isset( $pos1 ) && 2 == $pos1 ) || (isset( $pos2 ) && 2 == $pos2 ) || (isset( $pos3 ) && 2 == $pos3 ) ) {
							$str1 = substr( $opt, 0, 2 );
							$str2 = substr( $opt, 3, 2 );

if ( 'dd' == $str1 ) {
								$DD = substr( $postVar, 0, 2 );
								$MM = substr( $postVar, 3, 2 );
								$YY = substr( $postVar, 6 );
							}
							if ( 'mm' == $str1 ) {
								$MM = substr( $postVar, 0, 2 );
								$DD = substr( $postVar, 3, 2 );
								$YY = substr( $postVar, 6 );
							}
							if ( 'yy' == $str1 ) {
								if ( 'mm' == $str2 ) {
									$YY = substr( $postVar, 0, 2 );
									$MM = substr( $postVar, 3, 2 );
									$DD = substr( $postVar, 6 );
								} else {
									$MM = substr( $postVar, 0, 2 );
									$DD = substr( $postVar, 3, 2 );
									$YY = substr( $postVar, 6 );
								}
							}
						}

if ( (isset( $pos1 ) && 4 == $pos1) || (isset( $pos2 ) && 4 == $pos2) || (isset( $pos3 ) && 4 == $pos3) ) {
							$str = substr( $opt, 5, 2 );

if ( 'dd' == $str ) {
								$YY = substr( $postVar, 0, 4 );
								$DD = substr( $postVar, 6, 2 );
								$MM = substr( $postVar, 8, 2 );
							}
							if ( 'mm' == $str ) {
								$YY = substr( $postVar, 0, 4 );
								$MM = substr( $postVar, 6, 2 );
								$DD = substr( $postVar, 6, 2 );
							}
						}

if ( 0 == $DD || 0 == $MM || 0 == $YY ) {
							$errorMsg .= 'Invalid Date... ';
						}

if ( $MM <= 12 ) {
							switch ( $MM ) {
								case 4:
								case 6:
								case 9:
								case 11:
									if ( $DD > 30 ) {
										$errorMsg .= 'Selected month has maximum 30 days. ';
									}
								default:
									if ( $DD > 31 ) {
										$errorMsg .= 'Selected month has maximum 31 days. ';
									}
								break;
							}
						}

if ( ($YY % 4) == 0 ) {
							if ( (2 == $MM) && ($DD > 29) ) {
								$errorMsg .= 'Invalid days in February for leap year. ';
							}
						} else {
							if ( (2 == $MM) && ($DD > 28) ) {
								$errorMsg .= 'Invalid days in February for non leap year. ';
							}
						}
					}

if ( $patternMatch ) {           break; }
				}

if ( ! $patternMatch ) {	$errorMsg .= $error.' '; }
			}
	 return $errorMsg;
	 }
	 /**
	 * Validate file type.
	 * @param string $postVar Element name.
	 * @param string $value Element value.
	 * @param string $error Error message.
	 * @return string Error message.
	 */
	 function validate_file_type($postVar, $value, $error) {

$errorMsg = '';
			if ( isset( $value ) ) {
				$found = strpos( $value, ',' );
				if ( false === $found ) {
					$options[0] = $value;
				} else {
					$options = explode( ',', $value );
				}
			}

if ( is_array( $postVar['name'] ) ) {
				$totalFiles = count( $postVar['name'] );

for ( $i = 0; $i < $totalFiles; $i++ ) {
					if ( $postVar['name'][ $i ] ) {
	 			$fileTypeMatch = 0;
						foreach ( $options as $id => $type ) {
							$typeArray = $this->available_file_types( $type );
							if ( in_array( $postVar['type'][ $i ], $typeArray ) ) {
	 			$fileTypeMatch = 1;
							}
							if ( $fileTypeMatch ) {	break; }
						}

if ( ! $fileTypeMatch ) {
							$errorMsg .= $error.' ('.$postVar['name'][ $i ].') ';
						}
					}
				}
			} else {
		 if ( $postVar['name'] ) {
		 $fileTypeMatch = 0;
		 foreach ( $options as $id => $type ) {
		 $typeArray = $this->available_file_types( $type );
		 if ( in_array( $postVar['type'], $typeArray ) ) {
		 $fileTypeMatch = 1;
		 }
		 if ( $fileTypeMatch ) { break; }
		 }

if ( ! $fileTypeMatch ) {
		 $errorMsg .= $error.' ('.$postVar['name'].') ';
		 }
	 }
			}

return $errorMsg;
		}
		/**
		 * Available file valid extensions.
		 * @param  string $ext Extension.
		 * @return array      File types.
		 */
		function available_file_types($ext) {

switch ( $ext ) {

case 'txt':
					$type[0] = 'text/plain';
					break;

case 'xml':
					$type[0] = 'text/xml';
					$type[1] = 'application/xml';
					break;

case 'csv':
					$type[0] = 'text/x-comma-separated-values';
					$type[1] = 'application/octet-stream';
					$type[2] = 'text/plain';
					break;

case 'zip':
					$type[0] = 'application/zip';
					break;

case 'tar':
					$type[0] = 'application/x-gzip';
					break;

case 'ctar':
					$type[0] = 'application/x-compressed-tar';
					break;

case 'pdf':
					$type[0] = 'application/pdf';
					break;

case 'doc':
					$type[0] = 'application/msword';
					$type[1] = 'application/octet-stream';
					break;

case 'xls':
					$type[0] = 'application/vnd.ms-excel';
					$type[1] = 'application/vnd.oasis.opendocument.spreadsheet';
					break;

case 'ppt':
					$type[0] = 'application/vnd.ms-powerpoint';
					break;

case 'jpg':
					$type[0] = 'image/jpg';
					$type[1] = 'image/jpeg';
					$type[2] = 'image/pjpeg';
					break;

case 'gif':
					$type[0] = 'image/gif';
					break;

case 'png':
					$type[0] = 'image/png';
					break;

case 'bmp':
					$type[0] = 'image/bmp';
					break;

case 'icon':
					$type[0] = 'image/x-ico';
					break;

case 'font':
					$type[0] = 'application/x-font-ttf';
					break;
			}

return $type;
		}
		/**
		 * Validate file size.
		 * @param  string $postVar Element name.
		 * @param  string $value   Element value.
		 * @param  string $error   Error message.
		 * @return string          Error message.
		 */
	    function validate_file_size($postVar, $value, $error) {

$errorMsg = '';
	        if ( is_array( $postVar['name'] ) ) {
				$totalFiles = count( $postVar['name'] );

for ( $i = 0; $i < $totalFiles; $i++ ) {
		 if ( $postVar['name'][ $i ] ) {
		 if ( $postVar['size'][ $i ] > $value ) {
		 $errorMsg .= $error.' ('.$postVar['name'][ $i ].') ';
		 }
		 }
		 }
			} else {
				if ( $postVar['size'] > $value ) {
					$errorMsg .= $error.' ('.$postVar['name'].') ';
				}
			}

return $errorMsg;
	    }
		/**
		 * Validate image height and width.
		 * @param  string $postVar Element name.
		 * @param  string $value   Element value.
		 * @param  string $error   Error message.
		 * @return string          Error message.
		 */
	    function validate_image_height_width($postVar, $value, $error) {

$errorMsg = '';
	    	if ( isset( $value ) ) {
				$found = strpos( $value, ',' );
				if ( false === $found ) {
					$options[0] = $value;
				} else {
					$options = explode( ',', $value );
					$W = $options[0];
					$H = $options[1];
				}
			}

if ( is_array( $postVar['name'] ) ) {

$totalFiles = count( $postVar['name'] );

for ( $i = 0; $i < $totalFiles; $i++ ) {

if ( $postVar['name'][ $i ] ) {

list($width, $height) = getimagesize( $postVar['tmp_name'][ $i ] );

if ( ($height > $W || $width > $H) && $postVar['tmp_name'][ $i ] ) {
		 $errorMsg .= $error.' ('.$postVar['name'][ $i ].') ';
		 }
					}
				}
			} else {

list($width, $height) = getimagesize( $postVar['tmp_name'] );
				if ( ($height < $H || $width < $W) && $postVar['tmp_name'] ) {
					$errorMsg .= $error.' ('.$postVar['name'].') ';
				}
			}

return $errorMsg;
	    }
		/**
		 * Available phone type.
		 * @param  string $country Country name.
		 * @return array          Phone type expressions.
		 */
	    function available_phone_type($country) {

switch ( $country ) {

case 'in': // India.
					$type[0]  = '/^[0-9]{6,10}$/';
					// (+91)[022]111111.
					$type[1]  = '/^[$][\+][0-9]{2}[$][\[][0-9]{3,5}[\]][0-9]{6,10}$/';
					// +91022111111.
					$type[2]  = '/^[\+][0-9]{2}[0-9]{3,5}[0-9]{6,10}$/';
					// 91-111111.
					$type[3]  = '/^[0-9]{2}[\-][0-9]{6,10}$/';
					break;

case 'br': // Brazil.
					$type[0] = '/^([0-9]{2})?($[0-9]{2})$([0-9]{3}|[0-9]{4})-[0-9]{4}$/';
					break;

case 'fr': // France.
					$type[0] = '/^([0-9]{2})?($[0-9]{2})$([0-9]{3}|[0-9]{4})-[0-9]{4}$/';
					break;

case 'us': // US.
					$type[0] = '/^[$][0-9]{3}[$][0-9]{3}[\-][0-9]{4}$/';
					break;

case 'sw': // Swedish.
					$type[0] = '/^(([+][0-9]{2}[ ][1-9][0-9]{0,2}[ ])|([0][0-9]{1,3}[-]))(([0-9]{2}([ ][0-9]{2}){2})|([0-9]{3}([ ][0-9]{3})*([ ][0-9]{2})+))$/';
					break;
			}

return $type;
	    }
	}
}

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