3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj1 = new stdClass; $obj1->{'123'} = '456'; var_dump($obj1, $obj1->{'123'}, $obj1->{123}); $obj2 = (object)array('123' => '456'); var_dump($obj2, $obj2->{'123'}, $obj1->{123});
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
object(stdClass)#1 (1) { ["123"]=> string(3) "456" } string(3) "456" string(3) "456" object(stdClass)#2 (1) { ["123"]=> string(3) "456" } string(3) "456" string(3) "456"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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 - 7.1.33
object(stdClass)#1 (1) { ["123"]=> string(3) "456" } string(3) "456" string(3) "456" Notice: Undefined property: stdClass::$123 in /in/RPJXH on line 8 object(stdClass)#2 (1) { [123]=> string(3) "456" } NULL string(3) "456"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
object(stdClass)#1 (1) { ["123"]=> string(3) "456" } string(3) "456" string(3) "456" Notice: Undefined property: stdClass::$123 in /in/RPJXH on line 8 object(stdClass)#2 (1) { [123]=> string(3) "456" } NULL string(3) "456"
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Property name must be a string in /in/RPJXH on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.2

Process exited with code 139.
preferences:
147.13 ms | 413 KiB | 5 Q