3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { var $bar = 'I am bar.'; } $foo = new foo(); $bar = 'bar'; $baz = array('foo', 'bar', 'baz', 'quux'); echo "{$foo->$bar}\n"; echo "{$foo->$baz[1]}\n";
Output for 8.3.0 - 8.3.6
I am bar. Warning: Array to string conversion in /in/m88aO on line 11 Warning: Undefined property: foo::$Array in /in/m88aO on line 11 Warning: Trying to access array offset on null in /in/m88aO on line 11
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
I am bar. Warning: Array to string conversion in /in/m88aO on line 11 Warning: Undefined property: foo::$Array in /in/m88aO on line 11 Warning: Trying to access array offset on value of type null in /in/m88aO on line 11
Output for 7.4.0 - 7.4.33
I am bar. Notice: Array to string conversion in /in/m88aO on line 11 Notice: Undefined property: foo::$Array in /in/m88aO on line 11 Notice: Trying to access array offset on value of type null in /in/m88aO on line 11
Output for 7.3.32 - 7.3.33
I am bar.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
I am bar. Notice: Array to string conversion in /in/m88aO on line 11 Notice: Undefined property: foo::$Array in /in/m88aO on line 11
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
I am bar. I am bar.
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283.09 ms | 402 KiB | 376 Q