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<?php function bar() { $a = array('a' => '1234567890'); return $a; } var_dump(array_pop(bar())); $x = bar(); var_dump(array_pop($x));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Notice: Only variables should be passed by reference in /in/qUDOv on line 7 string(10) "1234567890" string(10) "1234567890"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.4, 7.3.32 - 7.3.33
string(10) "1234567890" string(10) "1234567890"
Output for 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 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Only variables should be passed by reference in /in/qUDOv on line 7 string(10) "1234567890" string(10) "1234567890"
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/qUDOv on line 7
Process exited with code 255.

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