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<?php $i = 0; $data = [ 'a' => null, 'b' => null, 'c' => null, 'd' => null, 'e' => null ]; foreach ($data as &$item) { $item = ++$i; } var_dump($data); foreach ($data as $key => $item) { echo($key . ' => ' . $item . "\n"); }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array(5) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> &int(5) } a => 1 b => 2 c => 3 d => 4 e => 4
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(5) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> &int(5) } a => 1 b => 2 c => 3 d => 4 e => 4
preferences:
220.92 ms | 402 KiB | 292 Q