<?php
$r = [
'123' => "1",
'W' => "123",
];
var_dump($r);
print_r($r['W']);
$r['W'] = '999';
var_dump($r);
print_r($r['W']);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(2) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
}
Warning: Undefined array key "W" in /in/oWS6G on line 9
array(3) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
["W"]=>
string(3) "999"
}
999
- Output for 5.6.38, 7.0.33, 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- array(2) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
}
Notice: Undefined index: W in /in/oWS6G on line 9
array(3) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
["W"]=>
string(3) "999"
}
999
- Output for 7.3.32 - 7.3.33
- array(2) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
}
array(3) {
[123]=>
string(1) "1"
["W"]=>
string(3) "123"
["W"]=>
string(3) "999"
}
999
preferences:
164.66 ms | 401 KiB | 151 Q