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<?php $a = &var_dump($a);
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
Warning: Undefined variable $a in /in/VGvql on line 2 NULL Notice: Only variables should be assigned by reference in /in/VGvql on line 2
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: a in /in/VGvql on line 2 NULL Notice: Only variables should be assigned by reference in /in/VGvql on line 2
Output for 7.3.32 - 7.3.33, 7.4.26
NULL
Output for 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, 5.5.0 - 5.5.36, 5.6.0 - 5.6.22
Notice: Undefined variable: a in /in/VGvql on line 2 NULL Strict Standards: Only variables should be assigned by reference in /in/VGvql on line 2
Output for 5.0.4
Notice: Undefined variable: a in /in/VGvql on line 2 NULL
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/VGvql on line 2 NULL
Output for 4.4.0 - 4.4.9
Notice: Undefined variable: a in /in/VGvql on line 2 NULL Notice: Only variables should be assigned by reference in /in/VGvql on line 2

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244.56 ms | 401 KiB | 343 Q