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I have a table with locations stored in the format:
30°28'25"
68°28'43"
In the process of converting from DMS to DEC, I'd need a function to convert the string 68°28'43" (no spaces among values-symbols) into
$deg = 68
$min = 28
$sec = 43
Or something similar. Thanks
Simply use preg_match_all :)
the following regex simply captures every digits (\d) which are contains exactly 2 numbers ({2}) and group them (the braces around the expression)
<?php
$value = "68°28'43\"";
preg_match_all('/(\d{2})/', $value, $matches);
print_r($matches);
$matches would be an array with the captured results (the digits)
Array
(
[0] => Array
(
[0] => 68
[1] => 28
[2] => 43
)
[1] => Array
(
[0] => 68
[1] => 28
[2] => 43
)
)
And then you can simply assign it to your variables with the list() function as follow:
list($deg, $min, $sec) = $matches[0];
echo $deg; // 68
echo $min; // 28
echo $sec; // 43
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I have an array, I can print it with
print_r($show_arr);
it gives me this output(html source)
Array
(
[0] => Marvel's Daredevil.S01E01 - Into the Ring.mp4
[1] => Marvel's Daredevil.S01E02 - Cut Man.mp4
[2] => Marvel's Daredevil.S02E05 - Kinbaku.mp4
[3] => Marvel's Daredevil.S02E06 - Regrets Only.mp4
)
how would I go about getting the array to look like this?
Array
(
Season[1] => Array
(
Array(
episode => "01 - Into the Ring",
file => "Marvel's Daredevil.S01E01 - Into the Ring.mp4",
)
Array(
episode => "02 - Cut Man",
file => "Marvel's Daredevil.S01E02 - Cut Man.mp4",
)
)
Season[2] => Array
(
Array(
episode => "05 - Kinbaku",
file => "Marvel's Daredevil.S02E05 - Kinbaku.mp4",
)
Array(
episode => "06 - Regrets Only",
file => "Marvel's Daredevil.S02E06 - Regrets Only.mp4",
)
)
I was bored. Just loop your array and use preg_match() to build the array using the matched groups:
foreach($show_arr as $val) {
preg_match('/[^.]+\.S([\d]+)E([0-9]+[^.]+).*/', $val, $m);
$result['Season'][(int)$m[1]][(int)$m[2]] = array('episode' => $m[2],
'file' => $m[0]);
}
[^.]+ is 1 or more NOT dot . characters
\.S([\d]+) is a dot . then S followed by 1 or more digits (capture as group 1)
E([0-9]+[^.]+) is E followed by 1 or more digits followed by 1 or more NOT dot . characters (capture as group 2)
Additionally, this indexes the subarray by the episode. If you don't want that, remove the [(int)$m[2]] and just use [].
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I have an array
Array
(
[0] => 34
[1] => 04:32 PM
[2] => 05:32 PM
[3] => MNL | ITLY
[4] => 2h 10m
[5] => PHP 9,222
[6] => 33
[7] => 04:32 PM
[8] => 04:32 PM
[9] => ITLY | MNL
[10] => 2h 10m
[11] => PHP 7,227
)
how can i perform arithmetic operation on value of index 5 and 11.
By using preg_replace you can strip the 'PHP' part and the comma from value.
echo preg_replace('| PHP (\d+),(\d+)|', '$1$2', $array[5]) + preg_replace('| PHP (\d+),(\d+)|', '$1$2', $array[11]);
or if the number of spaces is random '\s' is any whitespace char
echo preg_replace('|\s+PHP\s+(\d+),(\d+)|', '$1$2', $array[5]) + preg_replace('|\s+PHP\s+(\d+),(\d+)|', '$1$2', $array[11]);
or str_replace()
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I want to send barcode details to a database using a PHP array and want to create tables in the database according to barcode details. for example;
barcode number: D2D6000001
Here 1st D indicates the product type, 2 indicates production line, 2nd D indicates the month, 6 indicates the year and the last 6 numbers indicate product no.
I want to send each one into separate tables in the database using a PHP array. Can someone help me with this?
try below script:
<?php
$ReciveBarcode = "D2D6000001";
$GETBARCODE = str_split($ReciveBarcode,5);
$SepratedDetails['productType'] = $GETBARCODE[0][0];
$SepratedDetails['productionLine'] = $GETBARCODE[0][1];
$SepratedDetails['month'] = $GETBARCODE[0][2];
$SepratedDetails['year'] = $GETBARCODE[0][3];
$SepratedDetails['productNumber'] = $GETBARCODE[1];
echo "<pre>";print_r($SepratedDetails);
?>
output:
Array
(
[productType] => D
[productionLine] => 2
[month] => D
[year] => 6
[productNumber] => 00001
)
Using str_split("D2D6000001") to split the value to array.
You get result some thing like Array ( [0] => D[1] => 2 [2] => D [3] => 6 [4] => 0 ) .
use substr("D2D6000001",-6) to get six digit value.
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So, I am trying to parse a string,eg. 1-5-2014, to a DATE type like so:
$todayArray = date_parse_from_format("n-j-Y", $row["whenn"]);
$news_date = strtotime($todayArray['year'].'-'.$todayArray['month'].'-'.$todayArray['day']);
But it returns as 1399909000. It seems like it is the array that is causing the problem but with my limited knowledge of php I have no idea as to what is wrong.
Thank you in advance,
Tyler
The value of $todayArray should be something like this:
Array
(
[year] => 2014
[month] => 1
[day] => 5
[hour] =>
[minute] =>
[second] =>
[fraction] =>
[warning_count] => 0
[warnings] => Array
(
)
[error_count] => 0
[errors] => Array
(
)
[is_localtime] =>
)
Now the string
$todayArray['year'].'-'.$todayArray['month'].'-'.$todayArray['day']
i.e. "2014-1-5" is a valid argument for strtotime. But the function will return 1393355280, the UNIX timestamp corresponding to the given date, and that is not what you’re trying to obtain. In fact, the above string is already quite similar to your desired output. The only problem is that the values of $todayArray['month'] and $todayArray['day'] need to be zero-padded on the left side. This can be easily achieved with sprintf:
$news_date = $todayArray['year'].'-'.sprintf("%02d", $todayArray['month']).'-'.sprintf("%02d", $todayArray['day']);
Now the value of $news_date is "2014-01-05".
You don't want to use strtotime() as it just converts your date into a Unix Timestamp. Using DateTime() also makes this simpler than using date_parse_from_format():
$date = DateTime::createFromFormat("n-j-Y", $row["whenn"]);
echo $date->format('Y-m-d');
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I have a array with 2500 elements..I want simple algorithm to get the following.
If the input is 1 , then it should return 1st 50 elements.
If the input is 2 it should return 51 to 100th element.
if input is 3 it should return 101 to 150th element.
I am too much confused with this algorithm and my mind is not giving any idea,Some one please help me.
Note: i am coding my own pagination for 2500 url..And i need just algorithm idea..not coding
<?php
$ar = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30];
function return_frame($arr, $multiplier, $frame_size=50, $preserve_keys = false) {
return array_slice($arr, ($multiplier - 1)*$frame_size, $frame_size, $preserve_keys);
}
print_r(return_frame($ar, 2, 15, false));
?>
Array
(
[0] => 16
[1] => 17
[2] => 18
[3] => 19
[4] => 20
[5] => 21
[6] => 22
[7] => 23
[8] => 24
[9] => 25
[10] => 26
[11] => 27
[12] => 28
[13] => 29
[14] => 30
)
Take a look at: http://php.net/manual/en/function.array-slice.php
i think you just can add position and range on your sql code like this :
"select * from blabla order by post desc limit $position,$range"
You have indexes from 0 to 2499 right.
you want a $count of 50.
Let me show you the thinking process.
so if you get 1 as a $paramter you want $start to be 0 and $end to be 49.
lets see:
1-$parameter is $start right. and 50-$paramter is $end . ok
for 2 you want $start to be 50 and $end to be 99;
the above does not work here. lets play with the $count
$parameter*count; is almost $end.. we have to play for the 0 indexing. so:
$end will be $parameter*$count-1. we can see that this is true for 1,2 and also 3 as $parameters.
$start will be ($parameter-1)*$count . just quickly in the head that gives 0,50,100. just what we want.
as #cars10 suggested we do not need the $end. with array_slice($arr,($parameter-1)*$count,$count);