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<?php function &returnRef() { global $a; return $a; } function returnVal() { global $a; return $a; } $a = "original"; $b =& returnVal(); $b = "changed"; var_dump($a); //expecting warning + "original" $a = "original"; $b =& returnRef(); $b = "changed"; var_dump($a); //expecting "changed"
Output for 4.4.0 - 4.4.9, 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Notice: Only variables should be assigned by reference in /in/mRBD3 on line 13 string(8) "original" string(7) "changed"
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4, 7.3.32 - 7.3.33, 7.4.26
string(8) "original" string(7) "changed"
Output for 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 - 5.6.28
Strict Standards: Only variables should be assigned by reference in /in/mRBD3 on line 13 string(8) "original" string(7) "changed"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/mRBD3 on line 20
Process exited with code 255.

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