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<?php abstract class F { const id = __CLASS__; public static function start() { static::run(new static); } protected static function run(F $f) { echo __CLASS__, PHP_EOL; $instance->dynamicRun(); } protected function dynamicRun() { echo self::id, PHP_EOL, get_class($this); } } class S extends F { const id = __CLASS__; protected static function run(F $f) { echo __CLASS__, PHP_EOL; parent::run($f); } } S::start();
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
S F Warning: Undefined variable $instance in /in/hpg72 on line 11 Fatal error: Uncaught Error: Call to a member function dynamicRun() on null in /in/hpg72:11 Stack trace: #0 /in/hpg72(22): F::run(Object(S)) #1 /in/hpg72(7): S::run(Object(S)) #2 /in/hpg72(26): F::start() #3 {main} thrown in /in/hpg72 on line 11
Process exited with code 255.
Output for 7.0.5 - 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
S F Notice: Undefined variable: instance in /in/hpg72 on line 11 Fatal error: Uncaught Error: Call to a member function dynamicRun() on null in /in/hpg72:11 Stack trace: #0 /in/hpg72(22): F::run(Object(S)) #1 /in/hpg72(7): S::run(Object(S)) #2 /in/hpg72(26): F::start() #3 {main} thrown in /in/hpg72 on line 11
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
S F Fatal error: Uncaught Error: Call to a member function dynamicRun() on null in /in/hpg72:11 Stack trace: #0 /in/hpg72(22): F::run(Object(S)) #1 /in/hpg72(7): S::run(Object(S)) #2 /in/hpg72(26): F::start() #3 {main} thrown in /in/hpg72 on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.4
S F Notice: Undefined variable: instance in /in/hpg72 on line 11 Fatal error: Uncaught Error: Call to a member function dynamicRun() on unknown in /in/hpg72:11 Stack trace: #0 /in/hpg72(22): F::run(Object(S)) #1 /in/hpg72(7): S::run(Object(S)) #2 /in/hpg72(26): F::start() #3 {main} thrown in /in/hpg72 on line 11
Process exited with code 255.
Output for 5.6.0 - 5.6.28
S F Notice: Undefined variable: instance in /in/hpg72 on line 11 Fatal error: Call to a member function dynamicRun() on null in /in/hpg72 on line 11
Process exited with code 255.
Output for 5.5.0 - 5.5.35
S F Notice: Undefined variable: instance in /in/hpg72 on line 11 Fatal error: Call to a member function dynamicRun() on a non-object in /in/hpg72 on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
S F Fatal error: Call to a member function dynamicRun() on a non-object in /in/hpg72 on line 11
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/hpg72 on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in <b>/in/hpg72</b> on line <b>7</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in <b>/in/hpg72</b> on line <b>7</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/hpg72</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_CLASS in <b>/in/hpg72</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/hpg72</b> on line <b>3</b><br />
Process exited with code 255.
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