3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "hallo"; $var2 = "wereld"; $hallowereld = "Hallo Wereld"; echo ${$var}{$var2};
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/0C4ZV on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/0C4ZV on line 6 Notice: Undefined variable: hallo in /in/0C4ZV on line 6 Notice: Trying to access array offset on value of type null in /in/0C4ZV on line 6
Output for 7.3.32 - 7.3.33
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: hallo in /in/0C4ZV on line 6
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: hallo in /in/0C4ZV on line 6

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