3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $dummy1; public $dummy2; } class ErrorHandler { private $private = 'THIS IS PRIVATE'."\n"; function __construct() { set_error_handler( function ($errno, $errstr, $errfile, $errline) { $this->handleError($errno, $errstr, $errfile, $errline); } ); } private function handleError($errno, $errstr, $errfile, $errline, $errmodule = null) { echo __METHOD__. " dealing with error $errstr, $errfile:$errline\n"; // This attribute is no longer accessible in this object. Same for other // objects and their private attributes once we reach in this state. echo $this->private; echo "Never executed in PHP7.2; there is a fatal error in the line above\n"; } } function reproduceBug(Foo $f) { unset($f->dummy2); foreach ((new ReflectionObject($f))->getProperties() as $p) echo $p->getName() .' = '. $p->getValue($f) ."\n"; echo "This line is not reached in PHP7.2; but it is reached in PHP 7.0\n"; } $errorHandler = new ErrorHandler(); //echo $x; # uncommenting this fixes it reproduceBug(new Foo);
Output for 7.2.12 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
dummy1 = ErrorHandler::handleError dealing with error Undefined property: Foo::$dummy2, /in/LI7lV:39 THIS IS PRIVATE Never executed in PHP7.2; there is a fatal error in the line above dummy2 = This line is not reached in PHP7.2; but it is reached in PHP 7.0
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 dummy1 = ErrorHandler::handleError dealing with error Undefined property: Foo::$dummy2, /in/LI7lV:39 THIS IS PRIVATE Never executed in PHP7.2; there is a fatal error in the line above dummy2 = This line is not reached in PHP7.2; but it is reached in PHP 7.0
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.11
dummy1 = ErrorHandler::handleError dealing with error Undefined property: Foo::$dummy2, /in/LI7lV:39 Fatal error: Uncaught Error: Cannot access private property ErrorHandler::$private in /in/LI7lV:28 Stack trace: #0 /in/LI7lV(17): ErrorHandler->handleError(8, 'Undefined prope...', '/in/LI7lV', 39) #1 [internal function]: ErrorHandler->{closure}(8, 'Undefined prope...', '/in/LI7lV', 39, Array) #2 /in/LI7lV(39): ReflectionProperty->getValue(Object(Foo)) #3 /in/LI7lV(48): reproduceBug(Object(Foo)) #4 {main} thrown in /in/LI7lV on line 28
Process exited with code 255.
Output for 5.6.38
dummy1 = dummy2 = This line is not reached in PHP7.2; but it is reached in PHP 7.0
preferences:
135.68 ms | 401 KiB | 205 Q