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<?php $dataset = array(0 => "one", 1 => "two"); reset($dataset); while ($v = current($dataset)) { var_dump($v); next($dataset); if ($v == "one") { unset($dataset[1]); } } var_dump($dataset); $dataset = array(0 => "one", 1 => "two"); reset($dataset); foreach ($dataset as $k => $v) { var_dump($a); next($dataset); if ($v == "one") { unset($dataset[1]); } } var_dump($dataset);
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
string(3) "one" array(1) { [0]=> string(3) "one" } Warning: Undefined variable $a in /in/sBO1V on line 19 NULL Warning: Undefined variable $a in /in/sBO1V on line 19 NULL array(1) { [0]=> string(3) "one" }
Output for 5.0.4 - 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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
string(3) "one" array(1) { [0]=> string(3) "one" } Notice: Undefined variable: a in /in/sBO1V on line 19 NULL Notice: Undefined variable: a in /in/sBO1V on line 19 NULL array(1) { [0]=> string(3) "one" }
Output for 7.3.32 - 7.3.33
string(3) "one" array(1) { [0]=> string(3) "one" } NULL NULL array(1) { [0]=> string(3) "one" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
string(3) "one" array(1) { [0]=> string(3) "one" } Notice: Undefined variable: a in /in/sBO1V on line 19 NULL Notice: Undefined variable: a in /in/sBO1V on line 19 NULL array(1) { [0]=> string(3) "one" }
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232.96 ms | 402 KiB | 357 Q