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<?php $empty_string = ''; $ref = &$empty_string['x']; $ref = 'hello'; var_export($empty_string); print "\n"; $non_empty_string = 'abc'; $ref = &$non_empty_string['x']; $ref = 'hello'; var_export($non_empty_string);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/dDDi0:4 Stack trace: #0 {main} thrown in /in/dDDi0 on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'x' in /in/dDDi0 on line 4 Fatal error: Uncaught Error: Cannot create references to/from string offsets in /in/dDDi0:4 Stack trace: #0 {main} thrown in /in/dDDi0 on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33
array ( 'x' => 'hello', ) Warning: Illegal string offset 'x' in /in/dDDi0 on line 13 Fatal error: Uncaught Error: Cannot create references to/from string offsets nor overloaded objects in /in/dDDi0:13 Stack trace: #0 {main} thrown in /in/dDDi0 on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
array ( 'x' => 'hello', ) Warning: Illegal string offset 'x' in /in/dDDi0 on line 13 Fatal error: Cannot create references to/from string offsets nor overloaded objects in /in/dDDi0 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.2 - 5.3.29
array ( 'x' => 'hello', ) Fatal error: Cannot create references to/from string offsets nor overloaded objects in /in/dDDi0 on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.1
array ( 'x' => 'hello', )
Process exited with code 139.
Output for 4.3.0 - 4.3.1
array ( 'x' => 'hello', ) Fatal error: Cannot create references to/from string offsets nor overloaded objects in /in/dDDi0 on line 13

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110.11 ms | 2793 KiB | 4 Q