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Kulya
PHP-MySQLi-Database-Class
Commits
179cde2d
Commit
179cde2d
authored
Feb 09, 2015
by
Alexander Butenko
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Added getValue function
parent
9b62b349
Changes
2
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MysqliDb.php
MysqliDb.php
+17
-0
readme.md
readme.md
+7
-0
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MysqliDb.php
View file @
179cde2d
...
...
@@ -283,6 +283,23 @@ class MysqliDb
return
null
;
}
/**
* A convenient SELECT * function to get one value.
*
* @param string $tableName The name of the database table to work with.
*
* @return array Contains the returned column from the select query.
*/
public
function
getValue
(
$tableName
,
$column
)
{
$res
=
$this
->
get
(
$tableName
,
1
,
"
{
$column
}
as retval"
);
if
(
isset
(
$res
[
0
][
"retval"
]))
return
$res
[
0
][
"retval"
];
return
null
;
}
/**
*
* @param <string $tableName The name of the table.
...
...
readme.md
View file @
179cde2d
...
...
@@ -121,6 +121,13 @@ $stats = $db->getOne ("users", "sum(id), count(*) as cnt");
echo
"total "
.
$stats
[
'cnt'
]
.
"users found"
;
```
or select one column or function result
```
php
$count
=
getValue
(
"users"
,
"count(*)"
);
echo
"
{
$count
}
users found"
;
```
### Delete Query
```
php
$db
->
where
(
'id'
,
1
);
...
...
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