<?php
//this seems to work as if there is 2 variables both a public static and a private static
class foo{
public static $myvar = 99;
//Uncommenting below leads to a Cannot redeclare foo::$myvar
//public $myvar = 77;
public function __construct(){
$this->myvar = 35;
}
public function printMyVar(){
echo '->printMyVar(): '.$this->myvar;
}
public function setMyVar($mv){ $this->myvar = $mv; }
}
echo "foo before creation: \n";
echo 'static: foo::$myvar'.foo::$myvar."\n";
echo "Creating new instance of foo\n";
$foo = new foo();
echo 'instance: '.$foo->printMyVar();
echo "\n";
echo 'static foo::$myvar: '.foo::$myvar."\n";
$foo->setMyVar(33);
echo "After setting $myvar to 33\n";
echo 'instance: '.$foo->printMyVar();
echo "\n";
echo 'static foo::$myvar: '.foo::$myvar."\n";
echo "Conclusion: when using \$this-> to change the value, it adds another non-static version rather than changing the static version";
foo before creation:
static: foo::$myvar99
Creating new instance of foo
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 10
Deprecated: Creation of dynamic property foo::$myvar is deprecated in /in/lIZdc on line 10
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 35instance:
static foo::$myvar: 99
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 15
Warning: Undefined variable $myvar in /in/lIZdc on line 31
After setting to 33
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
foo before creation:
static: foo::$myvar99
Creating new instance of foo
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 10
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 35instance:
static foo::$myvar: 99
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 15
Warning: Undefined variable $myvar in /in/lIZdc on line 31
After setting to 33
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
foo before creation:
static: foo::$myvar99
Creating new instance of foo
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 10
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 35instance:
static foo::$myvar: 99
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 15
Notice: Undefined variable: myvar in /in/lIZdc on line 31
After setting to 33
Notice: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
Output for 7.3.32 - 7.3.33, 7.4.26
foo before creation:
static: foo::$myvar99
Creating new instance of foo
->printMyVar(): 35instance:
static foo::$myvar: 99
After setting to 33
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
foo before creation:
static: foo::$myvar99
Creating new instance of foo
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 10
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 35instance:
static foo::$myvar: 99
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 15
Notice: Undefined variable: myvar in /in/lIZdc on line 31
After setting to 33
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
foo before creation:
static: foo::$myvar99
Creating new instance of foo
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 10
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 35instance:
static foo::$myvar: 99
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 15
Notice: Undefined variable: myvar in /in/lIZdc on line 31
After setting to 33
Strict Standards: Accessing static property foo::$myvar as non static in /in/lIZdc on line 13
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
Output for 5.0.4
foo before creation:
static: foo::$myvar99
Creating new instance of foo
->printMyVar(): 35instance:
static foo::$myvar: 99
Notice: Undefined variable: myvar in /in/lIZdc on line 31
After setting to 33
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
Output for 5.0.0 - 5.0.3
foo before creation:
static: foo::$myvar99
Creating new instance of foo
->printMyVar(): 35instance:
static foo::$myvar: 99
Notice: Undefined variable: myvar in /in/lIZdc on line 31
After setting to 33
->printMyVar(): 33instance:
static foo::$myvar: 99
Conclusion: when using $this-> to change the value, it adds another non-static version rather than changing the static version
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/lIZdc on line 4
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/lIZdc on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/lIZdc on line 4
Process exited with code 255.