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<?php $arr1 = array('mango' => 20); $arr2 = array('apple' => 10); $arr = $arr1 + $arr2; print_r($arr); #print_r($arr1+$arr2);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [mango] => 20 [apple] => 10 )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/liTUd on line 8
Process exited with code 255.

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245.22 ms | 401 KiB | 372 Q