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<?php error_reporting(-1); /** * @author Abel de Beer <abel@thispagecannotbefound.com> */ class Slot { /** * @var mixed */ public $listener; /** * @var boolean */ public $once; function __construct($listener, $once) { $this->listener = $listener; $this->once = $once; } } /** * @author Abel de Beer <abel@thispagecannotbefound.com> */ class OnceSignal implements OnceSignalInterface { /** * @var Slot[] */ protected $slots; function __construct() { $this->slots = array(); } public function addOnce($listener) { $this->slots[] = new Slot($listener, true); } public function dispatch() { foreach ($this->slots as $index => $slot) { if ($slot->once) { unset($this->slots[$index]); } $callback = $slot->listener; call_user_func($callback); } } } function myListener() { echo __FILE__.' : '.__LINE__."\n"; } $signal = new OnceSignal(); $signal->addOnce('myListener'); $signal->dispatch();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Interface "OnceSignalInterface" not found in /in/KkItG:30 Stack trace: #0 {main} thrown in /in/KkItG on line 30
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Interface "OnceSignalInterface" not found in /in/KkItG:30 Stack trace: #0 {main} thrown in /in/KkItG on line 30
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Interface 'OnceSignalInterface' not found in /in/KkItG:30 Stack trace: #0 {main} thrown in /in/KkItG on line 30
Process exited with code 255.
Output for 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33
Fatal error: Interface 'OnceSignalInterface' not found in /in/KkItG on line 30
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'OnceSignalInterface' not found in /in/KkItG on line 30
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KkItG on line 13
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KkItG on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/KkItG on line 13
Process exited with code 255.
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