3v4l.org

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<?php $a = 1; $$a = 1; $$a++ = 2; var_dump($1); var_dump($a); var_dump($2);
Output for 5.3.4 - 5.3.27, 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '=' in /in/B58Rh on line 4
Process exited with code 255.
preferences:
170.61 ms | 1399 KiB | 51 Q