<?php
$defaults = ['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5];
$optionKeys = array_keys($defaults);
$options = $defaults;
$args = ['b' => 3, 'e' => 7];
array_walk($args, function($value, $key) use ($optionKeys, &$options){
var_dump($value, $key, $optionKeys, $options);
if(in_array($key, $optionKeys)){
$options[$optionKeys[$key]] = $value;
}
});
print_r($options);
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- int(3)
string(1) "b"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(5) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
}
Warning: Undefined array key "b" in /in/0GpAA on line 14
int(7)
string(1) "e"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(6) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
[""]=>
int(3)
}
Warning: Undefined array key "e" in /in/0GpAA on line 14
Array
(
[a] => 1
[b] => 2
[c] => 3
[d] => 4
[e] => 5
[] => 7
)
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
- int(3)
string(1) "b"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(5) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
}
Notice: Undefined index: b in /in/0GpAA on line 14
int(7)
string(1) "e"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(6) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
[""]=>
int(3)
}
Notice: Undefined index: e in /in/0GpAA on line 14
Array
(
[a] => 1
[b] => 2
[c] => 3
[d] => 4
[e] => 5
[] => 7
)
- Output for 7.3.32 - 7.3.33
- int(3)
string(1) "b"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(5) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
}
int(7)
string(1) "e"
array(5) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
[4]=>
string(1) "e"
}
array(6) {
["a"]=>
int(1)
["b"]=>
int(2)
["c"]=>
int(3)
["d"]=>
int(4)
["e"]=>
int(5)
[""]=>
int(3)
}
Array
(
[a] => 1
[b] => 2
[c] => 3
[d] => 4
[e] => 5
[] => 7
)
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/0GpAA on line 3
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/0GpAA on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/0GpAA on line 3
Process exited with code 255.
preferences:
215.61 ms | 401 KiB | 312 Q