<?php
$a = array(array(1, 2),
array(3, 4),
array(5));
function get_combinations($arrays) {
$result = array(array());
$count = count($arrays);
$first_array = $arrays[0];
if($count > 2) {
$array_merg = get_combinations(array_slice($arrays, 1));
} else {
$array_merg = $arrays[1];
}
$tmp = array();
foreach($first_array as $arele1) {
//print_r($arele1);
foreach($array_merg as $arele2) {
print_r($arele2);
if(is_array($arele2)) {
echo 'asds';
$tmp[] = array_merge(array(arele1),$arele2);
} else {
$tmp[] = array($arele1,$arele2);
}
print_r($tmp);
}
}
print_r($tmp);
return $tmp;
}
var_dump(get_combinations($a));
- 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
- 5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
)
5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => 3
[1] => 5
)
asds
Fatal error: Uncaught Error: Undefined constant "arele1" in /in/TojGu:22
Stack trace:
#0 /in/TojGu(33): get_combinations(Array)
#1 {main}
thrown in /in/TojGu on line 22
Process exited with code 255. - Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- 5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
)
5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => 3
[1] => 5
)
asds
Warning: Use of undefined constant arele1 - assumed 'arele1' (this will throw an Error in a future version of PHP) in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
)
Array
(
[0] => 4
[1] => 5
)
asds
Warning: Use of undefined constant arele1 - assumed 'arele1' (this will throw an Error in a future version of PHP) in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
Array
(
[0] => 3
[1] => 5
)
asds
Warning: Use of undefined constant arele1 - assumed 'arele1' (this will throw an Error in a future version of PHP) in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
)
Array
(
[0] => 4
[1] => 5
)
asds
Warning: Use of undefined constant arele1 - assumed 'arele1' (this will throw an Error in a future version of PHP) in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[3] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[3] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
array(4) {
[0]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(3)
[2]=>
int(5)
}
[1]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(4)
[2]=>
int(5)
}
[2]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(3)
[2]=>
int(5)
}
[3]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(4)
[2]=>
int(5)
}
}
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
- 5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
)
5Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => Array
(
[0] => 3
[1] => 5
)
[1] => Array
(
[0] => 4
[1] => 5
)
)
Array
(
[0] => 3
[1] => 5
)
asds
Notice: Use of undefined constant arele1 - assumed 'arele1' in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
)
Array
(
[0] => 4
[1] => 5
)
asds
Notice: Use of undefined constant arele1 - assumed 'arele1' in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
Array
(
[0] => 3
[1] => 5
)
asds
Notice: Use of undefined constant arele1 - assumed 'arele1' in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
)
Array
(
[0] => 4
[1] => 5
)
asds
Notice: Use of undefined constant arele1 - assumed 'arele1' in /in/TojGu on line 22
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[3] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
Array
(
[0] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[1] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
[2] => Array
(
[0] => arele1
[1] => 3
[2] => 5
)
[3] => Array
(
[0] => arele1
[1] => 4
[2] => 5
)
)
array(4) {
[0]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(3)
[2]=>
int(5)
}
[1]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(4)
[2]=>
int(5)
}
[2]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(3)
[2]=>
int(5)
}
[3]=>
array(3) {
[0]=>
string(6) "arele1"
[1]=>
int(4)
[2]=>
int(5)
}
}
preferences:
260.96 ms | 412 KiB | 460 Q