<?php
$keys = array(1,2,3,6,9); //note that 9 does not exist as key in the $values array
$values = array('000', '001', '002', '003', '004', '005', '006', '007');
$new = array_map( function( $key) use( $values) {
return $values[ $key ];
}, $keys);
var_dump( $new);
- 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
- Warning: Undefined array key 9 in /in/p0qLs on line 5
array(5) {
[0]=>
string(3) "001"
[1]=>
string(3) "002"
[2]=>
string(3) "003"
[3]=>
string(3) "006"
[4]=>
NULL
}
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Undefined offset: 9 in /in/p0qLs on line 5
array(5) {
[0]=>
string(3) "001"
[1]=>
string(3) "002"
[2]=>
string(3) "003"
[3]=>
string(3) "006"
[4]=>
NULL
}
- Output for 7.3.32 - 7.3.33
- array(5) {
[0]=>
string(3) "001"
[1]=>
string(3) "002"
[2]=>
string(3) "003"
[3]=>
string(3) "006"
[4]=>
NULL
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/p0qLs on line 4
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 T_FUNCTION, expecting ')' in /in/p0qLs on line 4
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/p0qLs on line 4
Process exited with code 255.
preferences:
286.45 ms | 401 KiB | 425 Q