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<?php $a = [ 17 => 'value #1', 'test' => 'value #2', true => 'value #3', '0' => 'value #4' ]; var_dump($a); foreach($a as $k=>$v) { printf('$a[%s] = %s'."\n", $k, $v); }
Output for 7.1.0 - 7.1.25, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(4) { [17]=> string(8) "value #1" ["test"]=> string(8) "value #2" [1]=> string(8) "value #3" [0]=> string(8) "value #4" } $a[17] = value #1 $a[test] = value #2 $a[1] = value #3 $a[0] = value #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(4) { [17]=> string(8) "value #1" ["test"]=> string(8) "value #2" [1]=> string(8) "value #3" [0]=> string(8) "value #4" } $a[17] = value #1 $a[test] = value #2 $a[1] = value #3 $a[0] = value #4

preferences:
170.33 ms | 402 KiB | 176 Q