3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123' => '456'); $obj->a = 1; print_r($obj); echo $obj->{'123'},"\n"; echo $obj->{123},"\n"; if (isset($obj->a)) { echo 'a is set';} if (isset($obj->{'123'})) { echo '123 is set';}
Output for 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.6
stdClass Object ( [123] => 456 [a] => 1 ) 456 456 a is set123 is set
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
stdClass Object ( [123] => 456 [a] => 1 ) Notice: Undefined property: stdClass::$123 in /in/3m8Fa on line 6 Notice: Undefined property: stdClass::$123 in /in/3m8Fa on line 7 a is set
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
stdClass Object ( [123] => 456 [a] => 1 ) Notice: Undefined property: stdClass::$123 in /in/3m8Fa on line 6 Notice: Undefined property: stdClass::$123 in /in/3m8Fa on line 7 a is set
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Property name must be a string in /in/3m8Fa on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.2
stdClass Object ( [123] => 456 [a] => 1 ) 456
Process exited with code 139.
preferences:
229.58 ms | 401 KiB | 312 Q