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<?php $var1 = "1"; $var2 = "2"; $temp1 = "var" . "5"; $temp2 = "var" . "2"; var_dump(${$temp1} ?? ${$temp2});
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
string(1) "2"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '?' in /in/UginM on line 7
Process exited with code 255.
preferences:
234.18 ms | 402 KiB | 378 Q