Hex Function
Returns a string that represents the hexadecimal numeric value.
Hex(number)
NumberThe parameter is any valid expression.Description
IfNumberIf the parameter is not an integer, It is rounded to the nearest integer before calculation.
Talking about computer and network common carry System: Binary (binary), decimal and hex (hexadecimal)Binary, decimal, and hexadecimal, these binary decimal digits we are most familiar with the following 10 numbers that are first approached from pre-
Previously wrote 16 binary and 64 binary conversion function, today to do download page short connection, suddenly thought can be converted to 64 binary ID, so that the address looks shorter, below is the code, share to everyone. Performance
One, applicable scenario: cannot use the self growth number which returns from the database, the upload picture renames.
This is the picture or file upload process decision.The general image upload process is, first upload pictures to the server,
First, the application scenario:Unable to rename the uploaded image using the self-growth numbers returned from the database.
This is determined by the process of picture or file upload.
General image upload process is to upload images to the server,
First, the application scenario:Unable to rename the uploaded image using the self-growth numbers returned from the database.
This is determined by the process of picture or file upload.
General image upload process is to upload images to the server,
One, applicable scenario: cannot use the self-growth number returned from the database to rename the uploaded image.
This is determined by the process of picture or file upload.General image upload process is to upload images to the server, after
/*
Com_create_guid () is a feature supported by the PHP5 version and can be defined on its own for unsupported versions;
*/
function guid () {
if (function_exists (' Com_create_guid ')) {
return Com_create_guid ();
First, the applicable scene:You cannot rename an uploaded image by using the self growth number returned from the database.
This is the picture or file upload process decision.
The general image upload process is, first upload pictures to the server,
One, applicable scenario: cannot use the self-growth number returned from the database to rename the uploaded image.
This is determined by the process of picture or file upload.General image upload process is to upload images to the server, after
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.