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<?php function removeSomeElements($arr) { for ($i = 0; $i<count($arr); $i++) { $c = $arr[$i]; if ($c > 2) { echo "Element $c found at $i\n"; unset($arr[$i]); } } print_r($arr); // misses middle element return $arr; } $t = [0, 3, 1]; print_r($t); // original array $t = removeSomeElements($t); print_r($t); // should be missing middle element, but everything is here
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => 0 [1] => 3 [2] => 1 ) Element 3 found at 1 Array ( [0] => 0 [2] => 1 ) Array ( [0] => 0 [2] => 1 )
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 Array ( [0] => 0 [1] => 3 [2] => 1 ) Element 3 found at 1 Array ( [0] => 0 [2] => 1 ) Array ( [0] => 0 [2] => 1 )

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146.76 ms | 402 KiB | 162 Q