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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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How do I get a file name from a full path with PHP?
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You're looking for basename.
The example from the PHP manual:
<?php
$path = "/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
?>
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Asynchronous shell exec in PHP
I've got a PHP script that needs to invoke a shell script but doesn't care at all about the output. The shell script makes a number of SOAP calls and is slow to complete, so I don't want to slow down the PHP request while it waits for a reply. In fact, the PHP request should be able to exit without ...
Correct use of Multimapping in Dapper
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I just ran a test that works fine:
var sql = "select cast(1 as decimal) ProductId, 'a' ProductName, 'x' AccountOpened, cast(1 as decimal) CustomerId, 'name' CustomerName";
var item = connection.Query<ProductItem, Customer, ProductItem>(sql,
(p, c) => { p.Customer ...
Deprecated: mysql_connect()
... solutions to your problem.
The way with MySQLi would be like this:
<?php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');
To run database queries is also simple and nearly identical with the old way:
<?php
// Old way
mysql_query('CREATE TEMPORARY TABLE `tabl...
How do you determine the size of a file in C?
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You could probably change the return type to ssize_t and cast the size from an off_t without any trouble. It would seem to make more sense to use a ssize_t :-) (Not to be confused with size_t which is unsigned and cannot be used to indicate error.)
– Ted Perci...
How to get the first and last date of the current year?
...only attach the year to that day and month for example:-
SELECT '01/01/'+cast(year(getdate()) as varchar(4)) as [First Day],
'12/31/'+cast(year(getdate()) as varchar(4)) as [Last Day]
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im...
In PHP, why does not show a parse error?
I was running the following PHP code:
2 Answers
2
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SQLite DateTime comparison
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Sqlite can not compare on dates. we need to convert into seconds and cast it as integer.
Example
SELECT * FROM Table
WHERE
CAST(strftime('%s', date_field) AS integer) <=CAST(strftime('%s', '2015-01-01') AS integer) ;
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Fatal error: Maximum execution time of 300 seconds exceeded
I keep getting this PHP error:
18 Answers
18
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