$array = ['coke.','fanta.','chocolate.'];
foreach ($array as $key => $value) {
if (strlen($value)<6) {
$new[] = $value." ".$array[$key+1];
} else {
$new[] = $value;
}
}
This code doesn't have the desired effect, in fact it doesn't work at all. What I want to do is if an array element has string length less than 5, join it with the next element. So in this case the array should turn into this:
$array = ['coke. fanta.','chocolate.'];
$array = ['coke.','fanta.','chocolate.', 'candy'];
$new = [];
reset($array); // ensure internal pointer is at start
do{
$val = current($array); // capture current value
if(strlen($val)>=6):
$new[] = $val; // long string; add to $new
// short string. Concatenate with next value
// (note this moves array pointer forward)
else:
$nextVal = next($array) ? : '';
$new[] = trim($val . ' ' . $nextVal);
endif;
}while(next($array));
print_r($new); // what you want
Live demo
With array_reduce:
$array = ['coke.', 'fanta.', 'chocolate.', 'a.', 'b.', 'c.', 'd.'];
$result = array_reduce($array, function($c, $i) {
if ( strlen(end($c)) < 6 )
$c[key($c)] .= empty(current($c)) ? $i : " $i";
else
$c[] = $i;
return $c;
}, ['']);
print_r($result);
demo
<pre>
$array = ['coke.','fanta.','chocolate.'];
print_r($array);
echo "<pre>";
$next_merge = "";
foreach ($array as $key => $value) {
if($next_merge == $value){
continue;
}
if (strlen($value)<6) {
$new[] = $value." ".$array[$key+1];
$next_merge = $array[$key+1];
} else {
$new[] = $value;
}
}
print_r($new);
</pre>
Updated Code after adding pop after chocolate.
<pre>
$array = ['coke.','fanta.','chocolate.','pop'];
print_r($array);
echo "<br>";
$next_merge = "";
foreach ($array as $key => $value) {
if($next_merge == $value){
continue;
}
if (strlen($value)<6 && !empty($array[$key+1])) {
$new[] = $value." ".$array[$key+1];
$next_merge = $array[$key+1];
} else {
$new[] = $value;
}
}
print_r($new);
<pre>
You need to skip the iteration for the values that you have already added.
$array = ['coke.', 'fanta.', 'chocolate.'];
$cont = false;
foreach ($array as $key => $value) {
if ($cont) {
$cont = false;
continue;
}
if (strlen($value) < 6 && isset($array[$key+1])) {
$new[] = $value.' '.$array[$key+1];
$cont = true;
}
else {
$new[] = $value;
}
}
print_r($new);
Related
$val = array();
foreach ($value as $key) {
$nested = $this->Mdl_mymodel->arr($key);
if($nested != NULL) {
$n = 0;
foreach ($nested as $nest) {
$n++;
$val[$n] = $nest->num;
}
}
else {
$val = '';
}
print_r($val);
}
print_r($val);
Here $val inside the loop is printed but outside it is empty. I think i am missing something. Please help!
Note: I am using codeigniter.
$val = array();
foreach ($value as $key) {
$nested = $this->Mdl_mymodel->arr();
if($nested != NULL) {
$n = 0;
foreach ($nested as $nest) {
$n++;
$val[$n] = $nest->num;
}
}
else {
// $val = ''; Commented this line because you have already
// initialized $val. If you do not get records,
// it will return as blank array.
}
print_r($val);
}
print_r($val);
Is there a simple way to take a single-dimensional array and convert it to a multi-dimensional array based on the spaces, or any character(s), in the keys?
$arr['foo1'] = 'bar1';
$arr['foo2'] = 'bar2';
$arr['foo3 tier1' ] = 'bar3';
$arr['foo4 tier1' ] = 'bar4';
and turn it into
$arr['foo1'] = 'bar1';
$arr['foo2'] = 'bar2';
$arr['foo3']['tier1'] = 'bar3';
$arr['foo4']['tier1'] = 'bar4';
you can always do some sort of foreach loop
$newarr = array();
foreach ($arr as $key => $value) {
$output = explode(' ',$key,2);
if(count($output)) {
$newarr[$output[0]][$output[1]] = $value;
} else {
$newarr[$key] = $value;
}
}
That code will only work for one space but you can expand it to multiple spaces, something like
function pivot($arr,$delimeter) {
$return = array();
foreach ($arr as $key => $value) {
$output = explode($delimeter,$key,2);
if(count($output)) {
if(strpos($output[1],$delimeter) > 0) {
$return[$output[0]] = pivot(array($output[1]=>$value),$delimeter);
} else {
$return[$output[0]][$output[1]] = $value;
}
} else {
$return[$key] = $value;
}
}
return $return;
}
I have array like this:
$array1 = array(Array('a','d'),
Array('c','a'),
Array('d','a'),
Array('a','b','c','d','e'),
);
$array2 = array(array('a','d'), array('a','b','c','d','e')) ;
$result = array();
Here's my code:
foreach ($array2 as $part) {
$key = implode(', ', $part);
if( ! array_key_exists ($key, $array1)) {
$result[$key] = 0;
}
$result[$key] = $result[$key] + 1;
}
foreach ($result as $key => $value) {
echo "$value of {$key}<br/>";
}
I want to count values $array2 based on $array1
I got this one:
1 of a,d
1 of a,b,c,d,e
But I want a result like this:
3 of a,d
1 of a,b,c,d,e
If anybody wonders why there's (3 of a,d), it count from array('a','d'), array('d','a') also counted as array('a','d') and array('a','b','c','d','e')
Try this. Here is a working demo https://eval.in/117810
<?
$array1 = array(array('a','d'),
array('c','a'),
array('d','a'),
array('a','b','c','d','e'),
);
$array2 = array(array('a','d'), array('a','b','c','d','e')) ;
$result = array();
foreach ($array2 as $key=>$part2) {
sort($part2);
if(!isset($result[$key]))$result[$key]=0;
foreach($array1 as $part1) {
$intersect = array_intersect($part1, $part2);
sort($intersect);
if ($intersect === $part2) {
$result[$key]++;
}
}
}
foreach($result as $k=>$v) {
echo $v . " of " . implode(',', $array2[$k]) . "<br/>";
}
?>
i have this array
$dataArray = array
(
array(1,11,111),
array(2,22,222),
array(3,33,333),
array(4,44,444)
);
I also Google for it but no useful PHP script found..
Result using permutation combination method
1,11,111
1,111,11
11,111
1,11,
2,11,111
2,11,1
.
.
.
.
and yes i have already tried it with permutation combination method
function permutations(array $array, $r=false)
{
switch (count($array)) {
case 1:
return $array[0];
break;
}
$keys = array_keys($array);
$a = array_shift($array);
$k = array_shift($keys); // Get the key that $a had
$b = permutations($array, 'recursing');
$return = array();
foreach ($a as $v) {
if($v)
{
foreach ($b as $v2) {
if($r == 'recursing')
$return[] = array_merge(array($v), (array) $v2);
else
$return[] = array($k => $v) + array_combine($keys, $v2);
}
}
}
return $return;
}
$x = permutations($dataArray);
echo "<pre>";
print_r($x);
From:
$arr = array(array('key1'=>'A',...),array('key1'=>'B',...));
to:
array('A','B',..);
$output = array();
foreach ($arr as $array_piece) {
$output = array_merge($output, $array_piece);
}
return array_values($output);
On the other hand, if you want the first value from each array, what you want is...
$output = array();
foreach ($arr as $array_piece) {
$output[] = array_unshift($array_piece);
}
But I'm thinking you want the first one.
Relatively simple conversion by looping:
$newArray = array()
foreach ($arr as $a) {
foreach ($a as $key => $value) {
$newArray[] = $value;
}
}
Or, perhaps more elegantly:
function flatten($concatenation, $subArray) {
return array_merge($concatenation, array_values($subArray));
}
$newArray = array_reduce($arr, "flatten", array());
John's solution is also nice.
Something like this should work
<?
$arr = array(array('key1'=>'A','key2'=>'B'),array('key1'=>'C','key2'=>'D'));
$new_array = array();
foreach ($arr as $key => $value) {
$new_array = array_merge($new_array, array_values($value));
}
var_export($new_array);
?>
If you want all the values in each array inside your main array.
function collapse($input) {
$buf = array();
if(is_array($input)) {
foreach($input as $i) $buf = array_merge($buf, collapse($i));
}
else $buf[] = $input;
return $buf;
}
Above is a modified unsplat function, which could also be used:
function unsplat($input, $delim="\t") {
$buf = array();
if(is_array($input)) {
foreach($input as $i) $buf[] = unsplat($i, $delim);
}
else $buf[] = $input;
return implode($delim, $buf);
}
$newarray = explode("\0", unsplat($oldarray, "\0"));