{"id":26270,"date":"2022-12-16T18:18:33","date_gmt":"2022-12-16T12:48:33","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-auto-insert-into-mysql-data-base\/"},"modified":"2022-12-16T18:18:33","modified_gmt":"2022-12-16T12:48:33","slug":"solved-auto-insert-into-mysql-data-base","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-auto-insert-into-mysql-data-base\/","title":{"rendered":"[Solved] Auto Insert into MySql Data Base"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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<\/div>\n
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\n

This is quite simple:<\/p>\n

1st what you want to do is to query the database for the previous registration no \/ID.<\/p>\n

something like this:<\/p>\n

$query = mysqli_query($connect,'SELECT regCode From data ORDER BY regCode DESC LIMIT 1');\n<\/code><\/pre>\n
then you check if there is any result like this:<\/p>\n
$results = count(mysqli_num_rows($query));\n<\/code><\/pre>\n
if it $results returns 0 (it is a fresh database) do this:
\n$regCode=\"A0001\";<\/code><\/p>\n
else:<\/p>\n
create an array of alphabets.<\/p>\n
$alphabet = ['B','C','D','E']; #from B to Z (A is omitted because it is the default prefix)<\/code><\/p>\n
retrieve previous regCode like this:<\/p>\n
list($regCode) = mysqli_fetch_row($query);\n<\/code><\/pre>\n
From here seperate the alphabet from the numbers<\/p>\n
$prefix = substr($regCode,0,1);  \/\/get prefix\/alphabet\n$storage_id = (int) substr($regCode,1,4) +1; \/\/get code and add 1\n<\/code><\/pre>\n
Now test for the limit which in our case is 1000 (or any number you want):<\/p>\n
$limit = 1000\n\nif($storage_id>$limit){\n    $storage_id= '0001'; \/\/if limit exceeded reset storage id\n    $index = array_search($prefix,$alphabet); \/\/get alphabet\/prefix index in the $alphabet array\n\n    if($index>=0){\n        $prefix = $alphabet[$index+1]; \/\/Get next alphabet\n    }\n}else{\n    \/\/when limit is not exceeded do this\n    if(strlen($store)!=4){ \/\/check the length of our regCode (should be 4 letters in this case if not add some zeros)\n        $storage_id = str_pad($storage_id,4,'0',STR_PAD_LEFT);\n    }\n}\n\n$regCode = $prefix.$store; \/\/combine alphabet to new storage_id\necho $regCode;\n<\/code><\/pre>\n
And that’s it !!!<\/p>\n
This is the full code. Just copy this:<\/p>\n
<?php\nmysql_connect('localhost','root','');\nmysql_select_db('test');\n\nif(isset($_REQUEST['submit']))\n{\n$query = mysql_query('SELECT regno from details ORDER BY regno DESC LIMIT 1');\n$results = mysql_num_rows($query);\nif($results==0){\n    $regCode=\"A0001\";\n    mysql_query(\"INSERT INTO details (regno) VALUES('{$regCode}')\");\n}else{\n    list($regCode) = mysql_fetch_row($query);\n    $alphabet = array('B','C','D','E');\n    $prefix = substr($regCode,0,1);  \/\/get prefix\/alphabet\n    $storage_id = (int) substr($regCode,1,4) +1;\n\n    $limit = 1000;\n\nif($storage_id>$limit){\n    $storage_id= '0001'; \/\/if limit exceeded reset storage id\n    $index = array_search($prefix,$alphabet); \/\/get alphabet\/prefix index in the $alphabet array\n\n    if($index>=0){\n        $prefix = $alphabet[$index+1]; \/\/Get next alphabet\n    }\n}else{\n    \/\/when limit is not exceeded do this\n    if(strlen($storage_id)!=4){ \/\/check the length of our regCode (should be 4 letters in this case if not add some zeros)\n        $storage_id = str_pad($storage_id,4,'0',STR_PAD_LEFT);\n    }\n}\n$regCode = $prefix.$storage_id; \/\/combine alphabet to new storage_id\nmysql_query(\"INSERT INTO details (regno) VALUES('{$regCode}')\");\n    }\necho $regCode;\n}\n?>\n<form name=\"form\" id=\"form\" method=\"post\">\n<input type=\"submit\" name=\"submit\">\n<\/form>\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            3<\/span> <\/p><\/div>\n<\/div>\n
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solved Auto Insert into MySql Data Base <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] This is quite simple: 1st what you want to do is to query the database for the previous registration no \/ID. something like this: $query = mysqli_query($connect,’SELECT regCode From data ORDER BY regCode DESC LIMIT 1′); then you check if there is any result like this: $results = count(mysqli_num_rows($query)); if it $results returns 0 … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[339],"class_list":["post-26270","post","type-post","status-publish","format-standard","hentry","category-solved","tag-php"],"yoast_head":"\n[Solved] Auto Insert into MySql Data Base - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-auto-insert-into-mysql-data-base\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Auto Insert into MySql Data Base - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] This is quite simple: 1st what you want to do is to query the database for the previous registration no \/ID. something like this: $query = mysqli_query($connect,'SELECT regCode From data ORDER BY regCode DESC LIMIT 1'); then you check if there is any result like this: $results = count(mysqli_num_rows($query)); if it $results returns 0 ... 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