Hi,
I have a file with multiple records...and I have to select records based on first column....here is the sample file...
I01,abc,125,1a2,LBVI02
I01,abc,126,2b5,LBVI02
I02,20070530,254,abc,LLBI01
I02,20070820,111,bvd,NGBI01
I need all records with I01 in first field in one file and... (8 Replies)
I've a file like this:
andrea andre@lol.com october
antonio@lol.com
marco 45247@pop.com
kk@pop.com may
pollo@lol.com
mary mary@lol.com
can I select only the column with email adress?
can I utilise a filter with @ ?
I want obtain this:
... (2 Replies)
How can I use awk to pick a particular column and work on it? For example, I want to count the number of characters in column10 that are separated by |?
Thank you. (2 Replies)
the input is : 6298 | anna | chennai | 7/4/08
3981 | dastan | bagh | 8/2/07
6187 | galma | london | 9/5/01
3728 | gonna | kol | 8/2/10
3987 | hogja | mumbai | 8/5/09
2898 | homy | pune | 7/4/09
9167 | tamina | ny | 8/3/10
4617 | vazir | ny
now how to get the following output : 3987 |... (4 Replies)
Hi there,
I have trouble selecting record that contain one biggest value for a group of other values. I mean, this is my table:
mysql> SELECT * FROM b;
+----+------+-------+
| id | user | value |
+----+------+-------+
| 1 | 1 | 100 |
| 3 | 1 | 150 |
| 5 | 1 | 300 |
| 6... (20 Replies)
Hi!
From a file the format of whichis as in the sample here below, I need to get two files having just 2 columns, being - for the first file - the 2nd than the 1st from the original file; and - for the second file - the LAST then the 1st column of the original file.
Moreover, I would sort the... (3 Replies)
Hi All,
I have a requirement where I need to find sum of values from column D through O present in a CSV file and check whether the sum of each Individual column matches with the value present for that corresponding column present in the trailer record.
For example, let's assume for column D... (9 Replies)
Split column data if the table has n number of column's with some record then how to split n number of colmn's line by line with records
Table
---------
Col1 col2 col3 col4 ....................col20
1 2 3 4 .................... 20
a b c d .................... v
... (11 Replies)
Hello,
I want to get the maximum value of each record separated by empty line based on the 3rd column of each row within each record?
Input:
A1 chr5D 634 7 82 707
A2 chr5D 637 6 82 713
A3 chr5D 637 5 82 713
A4 chr5D 626 1 82 704... (4 Replies)
Discussion started by: yifangt
4 Replies
LEARN ABOUT PHP
array_column
ARRAY_COLUMN(3) 1 ARRAY_COLUMN(3)array_column - Return the values from a single column in the input arraySYNOPSIS
array array_column (array $array, mixed $column_key, [mixed $index_key = null])
DESCRIPTION array_column(3) returns the values from a single column of the $array, identified by the $column_key. Optionally, you may provide an
$index_key to index the values in the returned array by the values from the $index_key column in the input array.
PARAMETERS
o $array
- A multi-dimensional array (record set) from which to pull a column of values.
o $column_key
- The column of values to return. This value may be the integer key of the column you wish to retrieve, or it may be the string
key name for an associative array. It may also be NULL to return complete arrays (useful together with $index_key to reindex the
array).
o $index_key
- The column to use as the index/keys for the returned array. This value may be the integer key of the column, or it may be the
string key name.
RETURN VALUES
Returns an array of values representing a single column from the input array.
EXAMPLES
Example #1
Get column of first names from recordset
<?php
// Array representing a possible record set returned from a database
$records = array(
array(
'id' => 2135,
'first_name' => 'John',
'last_name' => 'Doe',
),
array(
'id' => 3245,
'first_name' => 'Sally',
'last_name' => 'Smith',
),
array(
'id' => 5342,
'first_name' => 'Jane',
'last_name' => 'Jones',
),
array(
'id' => 5623,
'first_name' => 'Peter',
'last_name' => 'Doe',
)
);
$first_names = array_column($records, 'first_name');
print_r($first_names);
?>
The above example will output:
Array
(
[0] => John
[1] => Sally
[2] => Jane
[3] => Peter
)
Example #2
Get column of last names from recordset, indexed by the "id" column
<?php
// Using the $records array from Example #1
$last_names = array_column($records, 'last_name', 'id');
print_r($last_names);
?>
The above example will output:
Array
(
[2135] => Doe
[3245] => Smith
[5342] => Jones
[5623] => Doe
)
PHP Documentation Group ARRAY_COLUMN(3)