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<?php function &return_a() { global $a; return $a; } $a = array(1,2,3); array_shift(return_a()); print_r($a); $a = array(1,2,3); array_shift((return_a())); print_r($a);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => 2 [1] => 3 ) Array ( [0] => 2 [1] => 3 )
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36
Array ( [0] => 2 [1] => 3 ) Strict Standards: Only variables should be passed by reference in /in/Cju1c on line 13 Array ( [0] => 1 [1] => 2 [2] => 3 )
Output for 5.1.2 - 5.1.6, 5.2.0
Strict Standards: Only variables should be passed by reference in /in/Cju1c on line 9 Array ( [0] => 1 [1] => 2 [2] => 3 ) Strict Standards: Only variables should be passed by reference in /in/Cju1c on line 13 Array ( [0] => 1 [1] => 2 [2] => 3 )

preferences:
264.45 ms | 402 KiB | 392 Q