<?php
class User {
private $firstname;
private $lastname;
private $age;
public function __contruct() {
$this->firstname = null;
$this->lastname = null;
$this->age = null;
}
public function __set($property, $value) {
$property = trim(strtolower($property));
if (!property_exists($this, $property)) {
throw new Exception("$property does not exists");
}
if( !isset($value) && empty($value)) {
throw new Exception("$property Can not be NULL or EMPTY");
}
switch($property) {
case "firstname":
case "lastname":
if(!is_string($value)) {
throw new Exception("$property must be a String");
}
$this->$property = $value;
break;
case "age":
if(!is_int($value)) {
throw new Exception("TypeError : $property must be an Integer Value");
}
$this->$property = $value;
break;
default:
throw new Exception("Invalid Exception.");
break;
}
}
public function __get($property) {
if(!property_exists($property)) {
throw new Exception("Invalid Arguments: $property Does not Exists");
}
return $this->$property;
}
}
$user = new User();
$user->firstname = "Zia";
echo $user->firstname;
Fatal error: Uncaught ArgumentCountError: property_exists() expects exactly 2 arguments, 1 given in /in/H7dds:46
Stack trace:
#0 /in/H7dds(46): property_exists('firstname')
#1 /in/H7dds(58): User->__get('firstname')
#2 {main}
thrown in /in/H7dds on line 46
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Uncaught ArgumentCountError: property_exists() expects exactly 2 arguments, 1 given in /in/H7dds:46
Stack trace:
#0 /in/H7dds(46): property_exists('firstname')
#1 /in/H7dds(58): User->__get('firstname')
#2 {main}
thrown in /in/H7dds on line 46
Process exited with code 255.
Warning: property_exists() expects exactly 2 parameters, 1 given in /in/H7dds on line 46
Fatal error: Uncaught Exception: Invalid Arguments: firstname Does not Exists in /in/H7dds:47
Stack trace:
#0 /in/H7dds(58): User->__get('firstname')
#1 {main}
thrown in /in/H7dds on line 47
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: property_exists() expects exactly 2 parameters, 1 given in /in/H7dds on line 46
Fatal error: Uncaught exception 'Exception' with message 'Invalid Arguments: firstname Does not Exists' in /in/H7dds:47
Stack trace:
#0 /in/H7dds(58): User->__get('firstname')
#1 {main}
thrown in /in/H7dds on line 47
Process exited with code 255.