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Returns the text of the error message from previous MySQL operation:
Returns the text of the error message from previous MySQL operation - Manual in BULGARIAN
Returns the text of the error message from previous MySQL operation - Manual in GERMAN
Returns the text of the error message from previous MySQL operation - Manual in ENGLISH
Returns the text of the error message from previous MySQL operation - Manual in FRENCH
Returns the text of the error message from previous MySQL operation - Manual in POLISH
Returns the text of the error message from previous MySQL operation - Manual in PORTUGUESE

Последни търсения:
function functions , include functions , variable functions , post functions




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Функции за работа с MySQL
PHP Manual

mysql_error

(PHP 4, PHP 5)

mysql_errorReturns the text of the error message from previous MySQL operation

Описание

string mysql_error ([ resource $link_identifier ] )

Returns the error text from the last MySQL function. Errors coming back from the MySQL database backend no longer issue warnings. Instead, use mysql_error() to retrieve the error text. Note that this function only returns the error text from the most recently executed MySQL function (not including mysql_error() and mysql_errno()), so if you want to use it, make sure you check the value before calling another MySQL function.

Параметри

link_identifier

Връзката към MySQL. Ако не е указана, се използва последната създадена връзка от mysql_connect(). Ако не намери такава връзка, ще направи опит да установи връзка, все едно е изпълнена mysql_connect() без параметри. Ако случайно не е намерена или създадена никаква връзка, ще се генерира предупреждение от ниво E_WARNING.

Връщани стойности

Returns the error text from the last MySQL function, or '' (empty string) if no error occurred.

Примери

Example #1 mysql_error() example

<?php
$link 
mysql_connect("localhost""mysql_user""mysql_password");

mysql_select_db("nonexistentdb"$link);
echo 
mysql_errno($link) . ": " mysql_error($link). "\n";

mysql_select_db("kossu"$link);
mysql_query("SELECT * FROM nonexistenttable"$link);
echo 
mysql_errno($link) . ": " mysql_error($link) . "\n";
?>

Примерът по-горе ще изведе нещо подобно на:

1049: Unknown database 'nonexistentdb'
1146: Table 'kossu.nonexistenttable' doesn't exist

Вж. също


Функции за работа с MySQL
PHP Manual

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