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<?php class Reader extends IteratorIterator { private $is_first = true; public function current() { $this->is_first = false; return parent::current(); } public function valid() { $res = parent::valid(); if (!$res) $this->is_first = true; } public function rewind() { if (!$this->is_first) return; $this->is_first = true; parent::rewind(); } } $a = new Reader(new ArrayIterator(range(1, 10))); foreach ($a as $v) { echo $v . PHP_EOL; break; } foreach ($a as $v) { echo $v . PHP_EOL; break; } foreach ($a as $v) { echo $v . PHP_EOL; break; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Reader::rewind() should either be compatible with IteratorIterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 17 Deprecated: Return type of Reader::valid() should either be compatible with IteratorIterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 11 Deprecated: Return type of Reader::current() should either be compatible with IteratorIterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 6
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 Deprecated: Return type of Reader::rewind() should either be compatible with IteratorIterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 17 Deprecated: Return type of Reader::valid() should either be compatible with IteratorIterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 11 Deprecated: Return type of Reader::current() should either be compatible with IteratorIterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/XumML on line 6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
preferences:
149.23 ms | 402 KiB | 173 Q