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<?php $list = array(1, 2, 3); foreach ($list as &$item){ //var_dump($item); //var_dump($list); } foreach ($list as $item){ var_dump($item); var_dump($list); } print_r($list);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 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
int(1) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(1) } int(2) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } int(2) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } Array ( [0] => 1 [1] => 2 [2] => 2 )
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 int(1) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(1) } int(2) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } int(2) array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } Array ( [0] => 1 [1] => 2 [2] => 2 )
preferences:
184.27 ms | 402 KiB | 163 Q