3v4l.org

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<?php $foo = "hello"; $foo[0] = $foo[0] + 1; var_dump($foo); $foo[0]++; var_dump($foo); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/mqvhe:4 Stack trace: #0 {main} thrown in /in/mqvhe on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/mqvhe on line 4 string(5) "1ello" Fatal error: Uncaught Error: Cannot increment/decrement string offsets in /in/mqvhe:7 Stack trace: #0 {main} thrown in /in/mqvhe on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33
string(5) "1ello" Fatal error: Uncaught Error: Cannot increment/decrement overloaded objects nor string offsets in /in/mqvhe:7 Stack trace: #0 {main} thrown in /in/mqvhe on line 7
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
string(5) "1ello" Fatal error: Cannot increment/decrement overloaded objects nor string offsets in /in/mqvhe on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
string(5) "1ello" Fatal error: Cannot increment/decrement overloaded objects nor string offsets in /in/mqvhe on line 7

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