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$senderId=11;//want to remove this
$list = 4,5,11,22;
$array1 = Array($senderId);
$array2 = explode(',', $list);
$array3 = array_diff($array2, $array1);
$output = implode(',', $array3);//your result 4,5,22
/**Function to encrypt or decrypt the given value**/
/**Create a function for Encryption url**/
function encrypt_decrypt($string){
$string_length=strlen($string);
$encrypted_string="";
for ($position = 0;$position<$string_length;$position++){
$key = (($string_length+$position)+1);
$key = (255+$key) % 255;
$get_char_to_be_encrypted = SUBSTR($string, $position, 1);
$ascii_char = ORD($get_char_to_be_encrypted);
$xored_char = $ascii_char ^ $key; //xor operation
$encrypted_char = CHR($xored_char);
$encrypted_string .= $encrypted_char;
}
/***Return the encrypted/decrypted string***/
return $encrypted_string;
}
/*** While passing the unique value to a link- Do the following steps ***/
$pid=88;//Let's 88 is the actual id
/***For more security multiply some value-You can set the multiplication value in config file*/
$passstring=$pid*12345;
$encrypted_string=encrypt_decrypt($passstring);
$param=urlencode($encrypted_string);
/*** Add this url to your anchor link***/
$url='your_target_path.php?id='.$param;
/*** While fetching the params in the target file- Do the following steps ***/
$getid=$_GET['id'];
$passstring=urldecode(stripslashes($getid));
$decrypted_string= encrypt_decrypt($passstring);
/***Divide the decrypted value with the same value we used for the multiplication***/
$your_actual_id= $decrypted_string/12345;
/*** Now fire your MySql query by this ID***/
CodeIgniter Strong Password Validation:
public function forgotpassword(){
if(isset($_POST['submit']) && $_POST['submit']=='Submit'){
$valid = array(
array(
'field' => 'userpassword',
'label' => 'User password',
'rules' => 'callback_valid_password',
),
array(
'field' => 'userpassword1',
'label' => 'Confirm Password',
'rules' => 'matches[userpassword]',
),
);
$this->form_validation->set_rules($valid);
if($this->form_validation->run() == TRUE) {
//Your success thing goes here
}else{
//Your error thing goes here
}
}
}
//Now create a function for checking password
public function valid_password($userpassword = ''){
$userpassword=trim($userpassword);
$regex_lowercase = '/[a-z]/';
$regex_uppercase = '/[A-Z]/';
$regex_number = '/[0-9]/';
$regex_special = '/[!@#$%^&*()\-_=+{};:,<.>§~]/';
if(empty($userpassword)){
$this->form_validation->set_message('valid_password', 'The password field is required.');
return FALSE;
}
if (preg_match_all($regex_lowercase, $userpassword) < 1){
$this->form_validation->set_message('valid_password', 'The field must be at least one lowercase letter.');
return FALSE;
}
if (preg_match_all($regex_uppercase, $userpassword) < 1){
$this->form_validation->set_message('valid_password', 'The field must be at least one uppercase letter.');
return FALSE;
}
if (preg_match_all($regex_number, $userpassword) < 1){
$this->form_validation->set_message('valid_password', 'The field must have at least one number.');
return FALSE;
}
if (preg_match_all($regex_special, $userpassword) < 1){
$this->form_validation->set_message('valid_password', 'The field must have at least one special character.' . ' ' . htmlentities('!@#$%^&*()\-_=+{};:,<.>§~'));
return FALSE;
}
if (strlen($userpassword) < 8){
$this->form_validation->set_message('valid_password', 'The field must be at least 8 characters in length.');
return FALSE;
}
if (strlen($userpassword) > 32){
$this->form_validation->set_message('valid_password', 'The field cannot exceed 32 characters in length.');
return FALSE;
}
return TRUE;
}