3v4l.org

run code in 300+ PHP versions simultaneously
<?php class v { public $foo = 'foo!'; private $privates = []; public function __get($n) { if (isset($this->privates[$n])) { return $this->privates[$n]; } throw new exception("{$n} is not accessible"); } public function __set($n, $v) { if (isset($this->privates[$n])) { throw new exception("{$n} is read-only"); } $this->$n = $v; } public function makeReadonly() { $this->privates['foo'] = $this->foo; unset($this->foo); } } $v = new v; echo $v->foo, "\n"; $v->foo = 'bar!'; echo $v->foo, "\n"; $v->makeReadonly(); echo $v->foo, "\n"; $v->foo = 'foo!';
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
foo! bar! bar! Fatal error: Uncaught Exception: foo is read-only in /in/EQ1G2:18 Stack trace: #0 /in/EQ1G2(38): v->__set('foo', 'foo!') #1 {main} thrown in /in/EQ1G2 on line 18
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 foo! bar! bar! Fatal error: Uncaught Exception: foo is read-only in /in/EQ1G2:18 Stack trace: #0 /in/EQ1G2(38): v->__set('foo', 'foo!') #1 {main} thrown in /in/EQ1G2 on line 18
Process exited with code 255.
Output for 5.6.0 - 5.6.40
foo! bar! bar! Fatal error: Uncaught exception 'Exception' with message 'foo is read-only' in /in/EQ1G2:18 Stack trace: #0 /in/EQ1G2(38): v->__set('foo', 'foo!') #1 {main} thrown in /in/EQ1G2 on line 18
Process exited with code 255.
preferences:
199.62 ms | 401 KiB | 291 Q