Eliminate array elements based on minimum and maximum value

Question

I have an array as below.

$denominations = array(100, 200, 500, 1000, 5000);

And dynamic minimum and maximum value,

For example;

$minimumValue = 150;
$maximumValue = 700;

So my denomination array should eliminate 100 and 1000 above.

I know I can do it by for loop. But to simplify my coding is there any array function can do this?

"So my denomination array should eliminate 100 and 1000 above". Should eliminate 5000 as well, right? — D4V1D
– D4V1D, Commented Jun 15, 2015 at 11:32

splash58 · Accepted Answer · 2015-06-15 11:36:56Z

3

Select valid items by array_filter

$minimumValue = 150;
$maximumValue = 700;

$new = array_filter($denominations, 
     function($v) use($minimumValue, $maximumValue) 
         { return ($v > $minimumValue && $v < $maximumValue); });

answered Jun 15, 2015 at 11:36

splash58

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Comments

Sougata Bose · Accepted Answer · 2015-06-15 11:44:47Z

2

array_map & array_filter can help -

$denominations = array(100, 200, 500, 1000, 5000);
$minimumValue = 150;
$maximumValue = 700;
$new = array_map(function($a) use($minimumValue, $maximumValue) {
    if($a > $minimumValue && $a < $maximumValue) {
        return $a;
    }
}, $denominations); // Will return the values if satisfied else null will be set

$new = array_filter($new); // Filter out the null values

With array_filter -

$new = array_filter($denominations , function($a) use($minimumValue, $maximumValue) {
    if($a > $minimumValue && $a < $maximumValue) {
        return $a;
    }
});

edited Jun 15, 2015 at 11:44

answered Jun 15, 2015 at 11:36

Sougata Bose

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5 Comments

splash58 Over a year ago

Delete the 1st :))))))

Sougata Bose Over a year ago

@splash58 There is nothing wrong with that also. This may help for other situation if required. :)

Anto S Over a year ago

Both the answers works.. Its not a wrong to have more than one method two solve one problems ;-)

splash58 Over a year ago

Just about This may help for other situation , I don't say it doesn't work

Sougata Bose Over a year ago

@splash58 Sometimes it may need to count how many are eliminated or which keys are eliminated.

Narendrasingh Sisodia · Accepted Answer · 2015-06-15 11:40:16Z

1

You can simply use array_filter as

$denominations = array(100, 200, 500, 1000, 5000);
$minimumValue = 150;
$maximumValue = 700;
array_filter($denominations,function($v) use(&$result,$minimumValue,$maximumValue)
{
 if($v > $minimumValue && $v < $maximumValue) 
     $result[] = $v;
});
print_r($result);

Fiddle

answered Jun 15, 2015 at 11:40

Narendrasingh Sisodia

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Comments

lenilsondc · Accepted Answer · 2015-06-15 11:46:35Z

1

Not tested yet but should be something like this using array_filter function:

<?php
$denominations = array(100, 200, 500, 1000, 5000);

$minimumValue = 150;
$maximumValue = 700;

$denominations = array_filter($denominations , function($key, $value) {
    return $value >= $minimumValue && $value <= $maximumValue;
}, ARRAY_FILTER_USE_BOTH)); 
?>

edited Jun 15, 2015 at 11:46

answered Jun 15, 2015 at 11:39

lenilsondc

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