3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class ImmutableObject { private $property; public function __construct($property) { $this->property = $property; } public function withProperty($property) { $clone = clone($this); $clone->property = $property; return $clone; } public function getProperty() { return $this->property; } } class BrokenImmutableObject { private $property; public function __construct($property) { $this->property = $property; } public function withProperty($property) { if ($property == $this->property) { return $this; } $clone = clone($this); $clone->property = $property; return $clone; } public function getProperty() { return $this->property; } } function it($m,$p){echo"\033[3",$p?'2m✔︎':'1m✘'.register_shutdown_function(function(){die(1);}),"\033[0m It $m\n";} foreach (array('ImmutableObject', 'BrokenImmutableObject') as $class) { print "\n".$class."\n".str_repeat('=', strlen($class))."\n\n"; // Expectation, $start will always have value 'start' $start = new $class('start'); // Expectation, $next is an immutable copy of $start with value 'start' $next = $start->withProperty('start'); // Expectation, $end is an immutable copy of $start with value 'end' $end = $start->withProperty('end'); it('has the value "start" (has value "'.$start->getProperty().'")', 'start' === $start->getProperty()); it('has the value "start" (has value "'.$next->getProperty().'")', 'start' === $next->getProperty()); it('has the value "end" (has value "'.$end->getProperty().'")', 'end' === $end->getProperty()); it('is its own object: start', ! in_array($start, array($next, $end), true)); it('is its own object: next', ! in_array($next, array($start, $end), true)); it('is its own object: end', ! in_array($end, array($start, $next), true)); print "\n"; }
based on DN0de
Output for 5.3.0 - 5.3.29, 5.4.7 - 7.2.0
ImmutableObject =============== ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "end" (has value "end") ✔︎ It is its own object: start ✔︎ It is its own object: next ✔︎ It is its own object: end BrokenImmutableObject ===================== ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "end" (has value "end") ✘ It is its own object: start ✘ It is its own object: next ✔︎ It is its own object: end
Process exited with code 1.
Output for 5.4.0 - 5.4.6
ImmutableObject =============== ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "end" (has value "end") ✔︎ It is its own object: start ✔︎ It is its own object: next ✔︎ It is its own object: end BrokenImmutableObject ===================== ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "start" (has value "start") ✔︎ It has the value "end" (has value "end") ✘ It is its own object: start ✘ It is its own object: next ✔︎ It is its own object: end
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/hre5O on line 47
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/hre5O on line 47
Process exited with code 255.
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/hre5O on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/hre5O on line 5
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/hre5O on line 5
Process exited with code 255.