function unique_array_2d ($array, $stkeep =false, $ndformat =true)
{
Determines whether to preserve the first-level array key (the first-level array key can be non-numeric)
if ($stkeep) $STARR = Array_keys ($array 2D);
Determines whether to preserve level two array keys (all two-level array keys must be the same)
if ($ndformat) $NDARR = Array_keys (end ($array 2D)); Dimension, you can also convert one-dimensional array to a comma-concatenated string using implode
foreach ($array 2D as $v) {
$v = Join (",", $v);
$temp [] = $v;
} Remove duplicate strings, that is, duplicate one-dimensional arrays
$temp = Array_unique ($temp); Re-assemble the disassembled array
foreach ($temp as $k = $v)
{
if ($stkeep) $k = $STARR [$k];
if ($ndformat)
{
$TEMPARR = Explode (",", $v);
foreach ($tempArr as $ndkey = $ndval) $output [$k] [$NDARR [$ndkey]] = $ndval;
}
else $output [$k] = Explode (",", $v);
} return $output;
} $array 2D = Array (
' First ' =>array (' title ' = ' 1111 ', ' date ' = ' 2222 '),
' Second ' =>array (' title ' = ' 1111 ', ' date ' = ' 2222 '),
' Third ' =>array (' title ' = ' 2222 ', ' date ' = ' 3333 ')
); echo " ";
Print_r (unique_array_2d ($array 2d,true));/**
* Resets the two-dimensional array by the specified key to
*
* @param array $arr to go to the heavy arrays
* @param array $by Specify key to go to weight, the parameter does not specify that the array ()
* is returned @re Turn array
*/
Function Array_multunique ($arr, $by = Array ()) {
$temp = array ();
foreach ($arr as $key = + $val) {
foreach ($by as $v) {
$temp [$key]. = Isset ($ val[$v])? $val [$v]: ';
}
}
return Array_intersect_key ($arr, Array_unique ($temp));
}
/* $aa = Array (
Array (' id ' = = 123, ' name ' = ' Zhang San '),
Array (' id ' = = 123, ' name ' = ' John Doe ') ),
Array (' id ' = = 124, ' name ' = = ' Harry '),
Array (' id ' = = ', ' name ' = ' Zhao Liu '),
Arra Y (' id ' = = 126, ' name ' = ' Zhao Liu ')
);
$key = ' id ';
Array_multunique ($AA, array (' ID ')); */ function Array_remove_key ($array, $keys) {
if (!is_array ($array) | |!is_array ($keys)) {
return false;
}
foreach ($array as $t) {
foreach ($keys as $k) {
Unset ($t [$k]);
}
$doc []= $t;
}
return $doc; }
/* $array = Array (
' 0 ' = = Array (' a ' = = ' aaaaa ', ' b ' = = ' bbbbb ', ' c ' = = ' Array (' d ' + = ' ddddd ', ' e ' = ' eeeee ') '),
' 1 ' = = Array (' a ' = ' = ' aaaaa ', ' b ' = ' = ' bbbbb ', ' c ' = = = Array (' d ' = = ' ddddd ', ' e ' = ' eeeee '))
);
Print_r (Array_remove_key ($array, Array (' C '))); */ Function Array_remove_key_val (& $a, $b, $c) {
foreach ($a as $key = = $value) {
if (Isset ($value [$b]) && ($value [$b]== $c)) {
unset ($a [$key]);
}
}
}
/* $a =array (
Array (' ID ' =>1, ' num ' =>10, ' type ' = ' news '),
Array (' ID ' =>2, ' num ' =>100, ' type ' = ' pic ')
);
Print_r (Array_remove_key_val ($a, "id", "1")); */ |
