$_GET variable cannot identify the first array element.:
I have passed an array in url which looks like this
http://www.example.com/form.php?action=buy_now&ft=prf&Arrayproducts_id[]=431&products_id[]=432&Arraycart[]=1&cart[]=3&Arrayid[]=431&id[]=432
but when i print the array "products_id" and "cart" by using print_r($_GET), it just display me
Array
(
[0] => 432
)
Array
(
[0] => 3
)
now as u can see the url it also contains the value "431" for products_id and "3" for cart
I can see that due to the string "Array" appended to these they are not being accessed, So could someone suggest me how to fix this issue
EDIT as per Felix review
for($t=0;$t<4;$t++){
$proid_30 .= "products_id[".$t."]=".$products_id."&";
$bucket_30 .= "cart[".$t."]=".$_SESSION['qty_flex'][$t]."&";
$idproid_30 .= "id[".$t."]=".$products_id."&";
}
$idproid_30.=" ";
$idproid_30 = str_replace("& ","",$idproid_30);
echo "<script>window.location= '/print_ready_form.php?action=buy_now&ft=prf&".$proid_30.$bucket_30.$idproid_30."&osCsid=".$_GET['osCsid']."';</script>";
Looks like you echo an array to create your URL. This does not work:
$a = array(1,2);
echo $a;
prints
Array
Can you show the PHP code that generates the URL?
Update:
Without more code I can only assume, but I think that $proid_30, $bucket_30 and $idproid_30 are initialized as arrays. Now when you append a string, they are casted to strings:
$a = array(1,2);
$a .= 'test';
echo $a;
prints
Arraytest
Use new variables to build the URL or initialize them as strings:
E.g.:
$product = '';
$cart = '';
$id = '';
for($t=0;$t<4;$t++){
$product .= "products_id[".$t."]=".$products_id."&";
$cart .= "cart[".$t."]=".$_SESSION['qty_flex'][$t]."&";
$id .= "id[".$t."]=".$products_id."&";
}
you can use variable names like "var[]" in a http form. do you need to use only get method? try post
Its only displaying the 432 for products_id because the only other products_id in the link is called Arrayproducts_id.
You will need to rename this back to products_id =)
Unless you want to call Arrayproducts_id ofcourse.
First product Id was named as "Arrayproducts_id". So you can get by printing "Arrayproducts_id"
Related
sorry i a begginer of php. I have url example here: http://example.com?category=software-hardware .Actual of category is Software & Hardware I using this script to get url above
foreach ( $key as $value ) {
$c = array(' ', '&-');
$d = array('-', '');
echo "".$value->kategori_laporan."";
}
How To get data from my condition url.? Sorry, i bad using english. I want to create url like category from slideshare. Please help me.! Thanks.!
you can fetch it like:
$cat = $_GET['category'];
and you don't need any foreach
$_GET is an associative array having all the query string keys values.
You can get value of any query string parameter from this array by passing the key of query string parameter.
To get category you can use $_GET["category"] in your case.
I know this should be very simple, but boy I'm making a mess of it... would be great if someone could point me in the right direction.
I've got an array which looks like this:
print_r($request_attributes['length']);
Array
(
[0] => 28.00000
[1] => 18.00000
)
and am trying to modify like so:
if(is_array($request_attributes['length'])) {
$request_attributes['length'] = $request_attributes['length'][0];
print($request_attributes['length']);
$request_attributes['length'] = $request_attributes['length'][1];
print($request_attributes['length']);
}
which gives the correct output in the first update, but the second item outputs an '8'. I've tried the above in both a for and foreach which results in similar output for both this and the other two arrays ( width(8) and height(0) - they should result in 18.00000 and 13.00000 respectively ). So I guess I really have two questions:
1. How do I update this(these) element(s)?
2. Where are the funny outputs actually coming from?
If anyone can help, I'd really appreciated it.
Just have a look at this. Your problem is, that you override you variable and in the second step $request_attributes['length'] is a string. Just define another var for your values.
$request_attributes['length'] = [
28.000,
18.000
];
$attributes = array();
if (is_array($request_attributes['length'])) {
foreach ($request_attributes['length'] as $value) {
$attributes[] = $value;
}
}
As you see $attributes will contain all values of your $request_attributes['length'] array and will not be overwritten.
Define araay as below
$val=array([0]=>"18.000",[1]=>13.000)
then use
if(is_array($request_attributes['length'])) {
$request_attributes['length'] = $val;
print_r($request_attributes['length']);
$request_attributes['length'] = $val;
print_r($request_attributes['length']);
}
Previously your array doesnt have any name.
Your print will only return Just array not the values
use
print_r($request_attributes['length']) ;
instead
I am trying to run a function that gets information from a DB and returns an array of the values, so I can then extract it on the page.
Inside the function, after my query I have the following code:
$example_array = array();
while ($row = mysql_fetch_assoc($query) {
$example_array[] = $row;
}
return $example_array;
And there ends my function. Outside of it, I have this:
extract($example_array);
And I would assume I could then directly echo any of the variables that were previously in $example_array, e.g. <?= $example_var ?> but they do not contain any data.
Running print_r($example_array); gives an array that looks like this:
Array ( [0] => Array ( [example_var] => Example String ) )
The start of that code makes me think my array is somehow "lost" inside another array's first ([0]) value, and as such is not extracting correctly.
Have I gone about adding data to that initial $example_array incorrectly?
When you do $example_array[] = $row;, you assign the current row to a new index of $example_array. If you want to access it like $example_array['row_name'], you'd have to assign it like this:
$example_array = $row;
But when you do this, $example_array will be overwritten until it has reached the last row (which means that $example_array will always contain the last row from the query). If you just want the first row, you can do this and skip the whole while loop:
$example_array = mysql_fetch_assoc($query);
Maybe :
$example_array = array();
while ($row = mysql_fetch_assoc($query) {
array_push($example_array, $row['exemple_var']);
}
return $example_array;
The issue is that mysql_fetch_array would have meant $row['row_name'] was valid.
As you added $row to the array $example_array, you now need to access it via it's array id too, such as;
$example_array[0]['row_name'], $example_array[1]['row_name'] etc.
What exactly are you trying to achieve? May be easier to offer assistance if we know.
I have an array which looks like this:
I need to have the array in this format for use later in the script.
//this is only 1 values set there are others that are returned.
Array
(
[DealerName] => Auto Bavaria Midrand MINI
[CustomersCounted] => 16
[Satisfied_Y] => 10
[Satisfied_N] => 6
[InterviewDate] => 2012-01-13
)
I have called the array $customerSatisfactionRatings which I loop through.
foreach($customerSatisfactionRatings as $customerSatisfactionRating) {
$content .= $customerSatisfactionRating';
}
This returns the correct values into the content variable.
What I am interested in is creating a string from the [Satisfied_Y] key.
an example of what I need is $content = '10,5,15,7,8,9,0,3';
I know how to make the string, but not how to extract only the [Satisfied_Y] key.
This makes me sad.
You use a mapping function to pull every Satisfied_Y column out of each $customerSatisfactionRatings item and then you join the results together:
$content = join(',', array_map(function($item) {
return $item['Satisfied_Y'];
}, $customerSatisfactionRatings));
This assumes that each item in $customerSatisfactionRatings is an array as described in your question.
See also: array_map()
I think it will work. Try this,
$satisfyY = array();
foreach($customerSatisfactionRatings as $customerSatisfactionRating) {
$content .= $customerSatisfactionRating;
$satisfyY = $customerSatisfactionRating['Satisfied_Y'];
}
Then implode it to make a string.
$sat_Y = implode(",", $satisfyY);
foreach($customerSatisfactionRatings as $temp)
if (isset($temp['Satisfied_Y']))
{
if (isset($content)) $content.=','.$temp['Satisfied_Y'];
else $content=$temp['Satisfied_Y'];
}
When sending data from a form to a second page, the value of the session is always with the name "Array" insteed of the expected number.
The data should get displayed in a table, but insteed of example 1, 2, 3 , 4 i get : Array, Array, Array.
(A 2-Dimensional Table is used)
Is the following code below a proper way to "call" upon the stored values on the 2nd page from the array ?
$test1 = $_SESSION["table"][0];
$test2 = $_SESSION["table"][1];
$test3 = $_SESSION["table"][2];
$test4 = $_SESSION["table"][3];
$test5 = $_SESSION["table"][4];
What exactly is this, and how can i fix this?
Is it some sort of override that needs to happen?
Best Regards.
You don't need any sort of override. The script is printing "Array" rather than a value, because you're trying to print to the screen a whole array, rather than a value within an array for example:
$some_array = array('0','1','2','3');
echo $some_array; //this will print out "Array"
echo $some_array[0]; //this will print "0"
print_r($some_array); //this will list all values within the array. Try it out!
print_r() is not useful for production code, because its ugly; however, for testing purposes it can keep you from pulling your hair out over nested arrays.
It's perfectly fine to access elements in your array by index: $some_array[2]
if you want it in a table you might do something like this:
<table>
<tr>
for($i = 0 ; $i < count($some_array) ; $i++) {
echo '<td>'.$some_array[$i].'</td>';
}
</tr>
</table>
As noted, try
echo "<pre>";
print_r($_SESSION);
echo "</pre>";
That should show you what's in the session array.
A 2-dimensional table is just an array of arrays.
So, by pulling out $_SESSION["table"][0], you're pulling out an array that represents the first row of the table.
If you want a specific value from that table, you need to pass the second index, too. i.e. $_SESSION["table"][0][0]
Or you could just be lazy and do $table = $_SESSION["table"]; at which point $table would be your normal table again.
A nice way ...
<?php
foreach ($_SESSION as $key => $value) {
echo $key . " => " . $value . "<br>";
}
?>