Numerical Array

I'm still having problems telling (and coding the difference), though I know the associative array, indexes without numbers. This was my line of code PHP Code:

while ($row = mysql_fetch_array ($result,MYSQL_ASSOC) )
        $viewers_home_ids[$row['viewer_id']] = $row['viewer_home_id'];


Resetting Numerical Array

I have a loop in PHP that removes elements from an array based on a certain criteria. The array needs to be used in a Smarty SECTION tag so if there are numeric gaps between elements then I end up with NULL values being spit out. I reset an array's keys such that,

"array(2=>'data', 3=>'more data')" becomes "array(0=>'data', 1=>'more data')".

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Xml Parsing: Tags Should Be In Numerical Array?

Sample: $results = XMLParser::load('<xml ....');
$results = XMLParser::load(VSCHEMAS.'/Users.edit.xml');
* Abstract XMLParser class. A non-instantiable class that uses SimpleXML to parse XML, based on a path or body passed into the load method
* @abstract

What I'm saying here, is that it's indexing the sub-xml elements numerically, which is what I want, but only when there is more than 1. Any thoughts on what to change to always have them indexed numerically, rather than a direct reference to the one-and-only element's @attributes array?

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Array Merge With Numerical Keys?

How can make it so array_merge() overwrites two keys with different values but same key index from two arrays?

Merging:[0] => 'whatever'
[0] => 'whatever', [1] => 'a', [2] => 'b'
should produce
[0] => 'whatever', [1] => 'a', [2] => 'b'


want array_merge to behave the same way it behaves if the arrays have string keys.

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Get Array Value By Unique Key And Numerical Index

I have a two dimensional array, basically a table (see code below). I want to get a value from the array using two methods:

1) Using the row's key: $NewValue = $MyArray[$UniqueKey];

2) Using the row's index (row number, so to speak): $NewValue = $MyArray[$RowNumber];

The second print statement in the code below does not work. Both print statements should output the same value. Is there an easy way to do this? The table has hundreds of rows and I will not know the key value of row 879 nor can I generate it. So I cannot use array_keys(). And I DO NOT want to start at the first row and count up to the 879th row. Any clever ideas to share and enlighten?


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Accessing Numerical Array Index In Foreach

I have no trouble looping through an array using foreach. To keep
track of the index, I set a variable before the loop and increment it
in the loop:

$index = 0;
foreach ($array as $item) {
do something that requires knowing the index of the current item;

Is there a better way to access that index value?

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Foreach() Work For Non-numerical Array Keys?

I was wondering if foreach() works when the array looks like this:

arr_name[eggs] = something
arr_name[pencil] = something else

Will foreach work if run as:

foreach(arr_name as $key => $value)

for they keys that have a non-numerical value ?

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Stripping Out Numerical Array Keys From Var_export?

I want to do var_export() and strip out all numerical array keys on an array. My array outputs like so:

array (
2 =>
array (
1 =>
array (


By doing this I can shuffle the array values however needed without having to worry about numerical array values.

I've tried using echo preg_replace("/[0-9]+ =>/i", '', var_export($data)); but it doesn't do anything. Any suggestions? Is there something I'm not doing with my regex? Is there a better solution for this altogether?

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Sort An Array And Assign New Numerical Keys?

i have an array like this (after i unset some elements):

$array[3] = 'apple';
$array[5] = 'pear';
$array[23] = 'banana';

which function do i use to sort them to:

$array[0] = 'apple';
$array[1] = 'pear';
$array[2] = 'banana';

i tried some of the sort functions but it didnt work.

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Convert The Array Keys To Numerical Values

I have an array like such:

Array ( [a] => 'a' [b] => 'b' [c] => 'c' )

Is there an easy way to convert the keys to numerical values like such? Is there a built in function, or will I have to make one? Array ( [0] => 'a' [1] => 'b' [2] => 'c' )

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Java - Numerical Equivalent Of NameValuePair Array List?

I'm dealing with doubles and looking for the "double" equivalent of this...

ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("lat",lat));
nameValuePairs.add(new BasicNameValuePair("lng",lng));

edit// I'm making a HTTP request, I think need to map the lat value to a php lat variable and the long to a php variable.

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CakePHP 1.3 Validation Errors Not Showing With Numerical Indexed Array?

I've looked at loads of forums about validation errors not showing and tried various things but to no avail...

Basically, the validation is correctly recognising the fields do not have values when they should, however the error messages don't 'automagically' appear below the input boxes.

Model validation rule is shown below:

var $validate = array(
'description' => array(
'rule' => 'notEmpty',
'required' => true,


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Codeigniter Select_Sum Returns "array" Not Numerical Value?

I needed to add up all the rows for a result. Using the select_sum as followsHere is the model

function Dues_Paid_Tot($date)

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Replace Associative Array Keys With Numerical Keys?

I have an array:

array('something' => 'like this', 'something' => 'like this', 'something' => 'like this');

I would like to replace it (quickly as possible, using a simple inline function) to be like this:

array(0 => 'like this', 1 => 'like this', 2 => 'like this');

Possible using any built-in php-array functions?

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Must A Table Id Be Numerical?

I normally make table ID's int (10) auto increment, but the client wants to be able to enter their own inhouse ID's which are alpha-numberical. Can anybody tell me if this is okay and if not, why?

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Creating Numerical Ids

I have a membership script i am working with and have a question. Instead of a user entering their own username like "DrJohn99" i would like to have each user assigned a number (starting with a 0 and going up up up) and also i would like for their email address to be the login.

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Extracting A Numerical Value

I have a string value, "1,250" (one thousand, two hundred and fifty). Is there a PHP function I can apply to this string that will give me the value 1250 in a variable? I've tried "intval", but I get a value of 1 (one), at least in PHP 4.

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Adding Numerical Value From Rows

I need to add all of the numbers from a set of results and display them on my page. Is this done with a do/while loop?

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Making A Input But Numerical Only

I'm trying to make a input box on my site only accept numerical values. I thought I had it with the code below - however it still lets you put letter after the numbers ie "5454dsfsf" How can I make it numerical only?

if (ereg('^[^0-9 ]+$' , $_POST['telephone'])) {
$error_msg['telephone'] = '<div class=message>Invalid character in telephone. </div>'

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Comparing Numerical Strings

From the PHP manual:
"If you compare two numerical strings, they are compared as integers."

and from the same page, two vars are considered identical "if $a is equal to $b, and they are of the same type." Code:

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Associative Vs. Numerical Arrays

Associative Arrays seem to be more popular that Numerical Arrays. That could just be the bias from the specific sources I've read, but I was wondering what you all think. I come from a programming background and I'm used to numerical arrays. What are the advantages and disadvantages of both? I don't want this to become an argument or a thread where people are posting to try to prove their point. I just want to know what you prefer and why. No one word replies, give me a reason.

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Commas In Numerical Values

I want to know if there's a way to include commas in numerical values in a database. I have a lot of integer (INT) rows but I cannot include commas, so instead of 10,000 I can only enter 10000.

The reason I want this is because in the output, I want all numbers to have commas. Is there any way around this?

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Largest Numerical Index

var a = new Array();
a[5] = "x";
alert(a.length); // 6 representing 0-5
$a = array();
$a[5] = "x";
echo array_length($a); // shows 6 (or even a function that shows 5)

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Separated Numerical Values

My source file contains numerical information shaped like this:

et cetera

If I use (longint)$numstr I get 32 as value (logically). How can I convince php to ignore the, in these strings Probably in the manual, but I could not find an entry for this.

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Str_replace Between Two Numerical Strings?

Another problem with str_replace, I would like to change the following $title data into URL by taking the $string between number in the beginning and after dash (-)

Chicago&#39;s Public Schools - $10.3M
New Jersey - $3M
Michigan: Public Health - $1M

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Numerical String Formats!

So I have a long number. Does anyone know how to easily round it down to 2 decimal places? 4.56794821 for example:

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Add The Numerical Of Several Different Arrayed Variables

how would i add the numerical of several different arrayed variables only chooseing the ones i want and set them to equal like $somenumber for example $somenumber = $info[1] + $info[37] + $info[34] + $info[12] + $info[88]all $info are equal to somenumber.

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Highest Numerical Column Value +1

I need to echo out the highest number in a numerical MySQL column, plus one. Is this possible? I figured I should try "MAX(card_num)+1 as maxcardnum" inside my query and then echo out "maxcardnum" but this does not seem to work. I'm running PHP 5.1.4 and am not receiving any errors, it's just not echo'ing anything out. Am I missing something?

$kj = " select
max(card_num)+1 as maxcardnum
$db.$tbl group by id ". $kj_order_line. "";

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Numerical Element Key In Foreach Loop

I have this nice little array: PHP Code:

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Numerical Data Types, Best Choice?

After reading the manual it is not clear to me which data type I should use to store the following numbers between:

0-1000 (99% of the time will be below 100)
with a precision of 6-8 decimals

Any advice?

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Numerical IfThen Value Statement Fails?

I have a column in mssql table that holds numbers 1 thru 101. Using this While and if else if statement works fine. I need to add the ability to get a grey image for 101. This requires the else if statement for the yellow image to be modified but cannot get it to work.


while ($row8 = mssql_fetch_array($result8)) {
if ($row8['IPscore'] > 85) { // Get Green image
$row8['ScoreIND'] = $Good;


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Find The Highest Numerical Value In A Csv File?

if there was an easy way to find the highest numerical value in a csv file. I'd like to avoid looping through to a turned-into-array csv file.

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Increment Numerical Value Variable By Even Or Odd Numbers?

Im iterating through two lists dumping data into their own single array, but i need to merge the 2 arrays in numerical order into a single array.Im using a counter (foreach and $i++) to name the keys in the proper order, but both operations leave me with arrays named with numbers 0-10.How can i make a counter that will increment by only even or only odd numbers so i can merge the two lists after the fact and retain a proper numerical order?
ie, have the first loop name things 0-2-4-6-8-10, and the second loop count 1-3-5-7-9

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Varchar Values To Numerical Classification

I have a database containing three tables:

practices - 8 fields
patients - 47 fields
exacerbations - 11 fields

The majority of the fields in these tables are recorded in varchar format, other fields include integers, doubles and dates. I have to transform this data into numerically classified data so that it can be used by a statistician to extrapolate any patterns in the data. To acheive this I will have to convert varchar fields into integers that represent the classification that string belongs to, an example being 'Severity' which has the following possible string values:

Very Severe

This field in the patients table has a finite list of string values that can appear, other fields have an endless possibility of string values that cannot be classified until they are encountered by my database (unless I implement some form of intelligent approach). For the time being I am just trying to construct the best approach to converting each field for all entries in each of the 3 tables to numeric values. The pseudo code I have in my head so far is as follows (it's not complete):


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Auto-increment Last Inserted Numerical Value?

Auto-increment the last inserted numerical value in the field "id" and then insert the newer value(id+1)in the database upon submitting the form?How do i resolve that last submitted "id"?I thought of doing that using a txt file as a counter but is this the only way?

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Show Numerical Date In Mm/dd/yy Format?

Right now i am the month, day, and year of a user seperated in three db fields titled month, day, year. When i display it i am doing:

$month = $row['month'];
$day = $row['day'];

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Script Not Returning Correct Numerical Result

I am working on a script to calculate returns on bets. This involves entering odds, stake etc. The problem I am having is with adding a new element into the calculation. In betting their is something called a Rule 4. This occurs in some races and diminsihes the retrun but there is no need to go into details.

Basically, here is how it works: There is a race with odds of 2/1 and a rule 4 of 20 cents is in place. With the betting rules this means that the odds must be multiplied by 1 - rule 4. In this case the rule 4 is .20 so 1 - .20 = .80 You now have to mulpiply the odds by .80 We only multiply the first number os in the case that is 2 (for a 5/1 bet it would be 5 etc)

.80 * 2 = 1.6 is the correct answer. This calculates ok in part of my script but when it gets to the second part on the same page it is returning 1.28 instead. PHP Code:

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Check If A String Contains Only Alphabetical And/or Numerical Characters.

I want to check if a string contains only alphabetical and/or numerical characters. I think the solution is eregi, but i am not an expert on regular expressions..

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Smarty Section Reverse Numerical Loop

I just need to use a section to go from 2007 to 1900 in a options loop.

This is what I have ... I just need the reverse of it.

$yearLoopEnd = 2007

PHP Code:

{section name="yearLoop" start=1900 loop=$yearLoopEnd step=1}

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Database Structure For Numerical Category Organization

I am making a website that will be a simple database of articles and facts, organized into numeric categories from 000-999 (each increment of 100 would be a new category, each increment of 10 would be a sub-category) and each fact would have an individual number, like 205.4, and so forth.

Each article would be coupled with a source, consisting of multiple fields like book, author, date, web link, etc. My question here is, basically, how many tables should I have and of what? I'm considering:

one table for categories, one for subcategories, one for individual facts, and one for sources, but I'm not sure what fields I need to have or how I would be able to link them together in a coherent fashion, or even if this is the best approach.

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