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i have array like this, where i have maintaining a index that is the position and there is two field which should be update
Array
(
[0] => Array
(
[text2] => Banner ads
[price2] => 297
)
)
now i want to insert another element like a way that look like
Array
(
[1] => Array
(
[text2] => logo
[price2] => 300
)
)
what would be the best way to do so??? please suggest me?
$array[] = array('text2' => 'logo', 'price2' => 300)
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i have Array ( [0] => dev2 [1] => dev3 [2] => dev4 )
how to convert to ["dev2","dev3","dev4"]
$old_array = array( 'dev2', 'dev3', 'dev4');
$new_array = json_encode($old_array);
echo $new_array;
I hope this is what you want.
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If array with 2 keys:
Array(
[0] => content
[1] => content
)
It is a task
if array 3 keys
Array(
[0] => content
[1] => content
[2] => content
)
It is other task
How count how many keys ([0], [1]..) there are in the array?
I already have all the structure of the code but just need to know how to know the amount of keys within the variable that contains the array
$len = count($myArray);
I think this is what you're asking?
As per your comment if you are using array_count_values() it will return the array that contains no of count of same values.
$yourArr = array("content","content");
print_r( array_count_values($yourArr) );
Result:
array("content"=>2);
From W3School:
Returns an associative array, where the keys are the original array's values, and the values are the number of occurrences
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I'm making simple test script with PHP+mysql.
The script gives the question and SELECT with 4 options (answers).
1 of them is correct, 3 others are incorrect, retrieved from mysql table.
I have 4 variables and all works fine, but I need to retrieve these variables in random order.
$variable1='1';
$variable2='2';
$variable3='3';
$variable4='4';
Just need some direction what to learn, what method to use.
Many thanks in advance
SELECT data from MySQL
Store in an associative array
shuffle the array
http://codepad.org/6R9LsGIy
<?php
$arrAnswers = array("a", "b", "c", "d");
shuffle($arrAnswers);
print_r($arrAnswers);
/* Example Ouput:
Array
(
[0] => b
[1] => d
[2] => a
[3] => c
) */
As you've said you have these variables;
$variable1='1';
$variable2='2';
$variable3='3';
$variable4='4';
$arrAnswers = array($variable1,$variable2,$variable3,$variable4);
There are more elegant ways, but with the information given, this is the best I can do :)
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My Array ($arr) is:
Array
(
[0] => Array
(
[partners_id] => 2
)
[1] => Array
(
[partners_id] => 5
)
[2] => Array
(
[partners_id] => 6
)
)
I'm passing PHP Array using
$this->xsl->setParameter('','my_arr',$arr);
Now I want to use all its elements in XSL, and check which ids are coming in partners_id. Based on those ids, I want to show xml pages
<xsl:copy-of select="document('dashboard.h1.xml')/*"/>
<xsl:copy-of select="document('dashboard.h2.xml')/*"/>
etc.
can anyone guide?
Thanks in Advance.
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When I do a print_r I get this array:
Array (
[0] => Array (
[id] => 5280
)
)
How can I access the id value with PHP?
You can access it like this
$id_value = $your_array[0]['id'];
Try
$mapped = array_map("current",$array);
echo $mapped[0];
This is useful if you have multiple arrays on the root array
eg: Array(Array(),Array()..)