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<?php interface IDBResult { function FetchAssoc(); function Rewind(); function NumRows(); } class DBResult implements IDBResult { private $_records = array( array('abc' => 'def'), array('foo' => 'bar'), array('fizz' => 'buzz'), ); private $_i = 0; function FetchAssoc() { return isset($this->_records[$this->_i]) ? $this->_records[$this->_i++] : null; } function Rewind() { $this->_i = 0; } function NumRows() { return count($this->_records); } } class ResultIterator implements Iterator { private $_rs; private $_rec; private $_index = 0; private $_onLoad; function __construct(IDBResult $rs, callable $callback = null) { $this->_rs = $rs; $this->_onLoad = $callback ?: function($rec, $i) { return $rec; }; } public function current() { return call_user_func_array($this->_onLoad, array($this->_rec, $this->_index)); } public function key() { return $this->_index; } public function next() { $this->_rec = $this->_rs->FetchAssoc(); $this->_index++; } public function rewind() { $this->_index = 0; $this->_rs->Rewind(); $this->_rec = $this->_rs->FetchAssoc(); } public function valid() { return $this->_index < $this->_rs->NumRows(); } } $rs = new DBResult(); $it = new ResultIterator($rs, function($rec, $i) { return [$i, key($rec), $rec[key($rec)]]; }); foreach($it as $rec) { print_r($rec); }
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 ResultIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 41 Deprecated: Return type of ResultIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 49 Deprecated: Return type of ResultIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 45 Deprecated: Return type of ResultIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 60 Deprecated: Return type of ResultIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 54 Array ( [0] => 0 [1] => abc [2] => def ) Array ( [0] => 1 [1] => foo [2] => bar ) Array ( [0] => 2 [1] => fizz [2] => buzz )
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 ResultIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 41 Deprecated: Return type of ResultIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 49 Deprecated: Return type of ResultIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 45 Deprecated: Return type of ResultIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 60 Deprecated: Return type of ResultIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/U4NGL on line 54 Array ( [0] => 0 [1] => abc [2] => def ) Array ( [0] => 1 [1] => foo [2] => bar ) Array ( [0] => 2 [1] => fizz [2] => buzz )
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Array ( [0] => 0 [1] => abc [2] => def ) Array ( [0] => 1 [1] => foo [2] => bar ) Array ( [0] => 2 [1] => fizz [2] => buzz )
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/U4NGL on line 67
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/U4NGL on line 38
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/U4NGL on line 38
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/U4NGL on line 3
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 in /in/U4NGL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/U4NGL on line 3
Process exited with code 255.
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