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PHP - format posted array for MySQL statement

Posted on 2011-09-07
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Last Modified: 2012-05-12
Hi,
is there a way to get just numerical data from a posted array and put into a format of ('n','n','n') so that I can use in a MySQL query

Examples of posted variable subcat below.

Array ( [0] => select_products [1] => 156 )  
Array ( [0] => select_products [1] => 118 [2] => 133 [3] => 134 )
Array ( [0] => 153 [1] => 151 [2] => 152 [3] => 158 [4] => 137 [5] => 138 [6] => 135 ) --->  
Array ( [0] => 174 ) --->  



I want to create something like this from the above
('156')
('118','133','134')
('153','151','158','137','138','135')
('174')


Thanks in advance for your feedback.
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Question by:sabecs
5 Comments
 
LVL 15

Expert Comment

by:Insoftservice
ID: 36500894
Array ( [0] => select_products [1] => 156 )

if(is_array($array)){
      foreach($array as $key=>$value)
      {
            is_numeric($value)
            {
             $data[] = $value
            }
      }
}

echo '<pre>';print_r($data);
0
 
LVL 7

Expert Comment

by:boon86
ID: 36500918
try this:

<?php
$a=array("select_products ","156");
$b=array("select_products ","118", "133", "134");
$c=array("153","151","152", "158", "137","138","135");
$d=array("174");


echo "('$a[1]')<br />";
echo "('$b[1]','$b[2]','$b[3]')<br />";
echo "('$a[1]')<br />";
echo "('$c[0]','$c[1]','$c[2]','$c[3]','$c[4]','$c[5]','$c[6]')<br />";
echo "('$d[0]')<br />";
?>

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0
 
LVL 27

Accepted Solution

by:
Lukasz Chmielewski earned 500 total points
ID: 36501150
if you want only integers:

<?php

$a = Array ( 0 => 'select_products', 1 => 118, 2 => 133, 3 => 134 ); 
$b = Array ( 0 => 153, 1 => 151, 2 => 152, 3 => 158, 4 => 137, 5 => 138, 6 => 135 );

$a_str = "(";

foreach($a as $val)
    if(is_int($val)) $a_str .= "'".$val."',";
$a_str = substr($a_str,0,-1);
$a_str .= ")";

echo $a_str;

echo"<br /><br />";

$b_str = "(";

foreach($b as $val)
    if(is_int($val)) $b_str .= "'".$val."',";
$b_str = substr($b_str,0,-1);
$b_str .= ")";

echo $b_str;
?>

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0
 
LVL 108

Expert Comment

by:Ray Paseur
ID: 36502101
You can use array_values() to remove the keys from the array.  You can use implode() to create a string from the array, using a comma as the "glue" string.  Then you can use the concatenation operator to wrap the string of numbers in parentheses.  This is a fairly common construct in PHP programming.  But I am curious... What do you mean by a "posted" array?  Where does this data originate?  Can you please show us the CREATE TABLE statement and show us the relationship between the external data and the columns you want to keep in the data base?  The data samples above do not give us much of a clue about how to create the query string that you might need.  Thanks, ~Ray
0
 

Author Closing Comment

by:sabecs
ID: 36502150
Thanks Roads_Roads, that's perfect.
0

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