Example for an API Key generator written in PHP. The key that is generated will be 32 non-cryptographic random characters long, and can contain 0-9, a-z (lowercase), A-Z (uppercase). Adding the option for the characters to repeat, creates over 450 quadrillion combinations.
Php Function To Generate Api Key In Word
To keep the code short, I generate a random number using rand(48, 122). This number will then be filtered for the ranges of 58 to 64, and 91 to 96. If the random number is present in the previous ranges, the number must be discarded and then recreated. This is done until a number is generated outside of the previous ranges, and this in turn must be completed 32 times. This is done so that the random number can convert into ASCII code (i.e. 0 ; = 0, whitespace added the prevent conversion) to generate the characters mentioned above.
Another option would be to create a random number using rand(0, 61). Then using a switch statement append a string together based upon the result. This method results in code roughly 133 lines in length (excluding comments, but allowing whitespace), while the previous method is 27 lines in length (again excluding comments, but allowing whitespace).
Running example at: http://kevinkabatra.ignorelist.com/examples/api%20key%20generator/example_api_key_generator.php
A random API key generator to server as access restriction to AP. I have created a restful API for a hosted service. To restrict indiscriminate access to the API, each client must submit an API key to be authenticated. I need a nice PHP class for this if any. Get an Google Map API key. We will create a div that will display map. We will create api wrapper in php that will get formatted address,latitude and longitude using City name; We will create Ajax request that will call above php API and passed data to google map instance. The file structure are. The uuidmake function takes two arguments when generating v1 or v4, but four arguments are required when generating v3 or v5. The first two arguments have been demonstrated below and are straightforward, so I'll skip to the as-yet non-described arguments.
I was working on a project recently that required unique API keys to be generated for clients connecting to the server. For various reasons, I settled on the style of license key you commonly see for software packages. You know, the kind you always had to read off the back of a CD case and type in when installing the application. Like
H8OV7-HNTB5-JLLOH-W8FG2
.It’s fairly easy to write such a function. The basic idea is to loop around four times—once for each segment—and have a nested loop that runs five times, picking a random character each time. Here’s what I came up with:
The
$tokens
string contains the characters that are valid in the key, so the loop can pick from it. The $segment_chars
and $num_segments
variables are the number of characters in a segment and the number of segments in the key, respectively. $key_string
is an empty string that the loop will add the characters into.The first for loop runs four times, assuming the desired result is four segments in the key. The inner loop picks a character out of
$tokens
at random each time it goes around. (PHP strings are also arrays, with the each character having its own numerical offset.) The characters are tacked onto the $segment
string.Php Using Api
Then the segment is joined with the
$key_string
, and a dash character is applied if the loop isn’t on the final segment yet. End result: something like H8OV7-HNTB5-JLLOH-W8FG2
.Php Api Example
Now how can you make sure the key is unique when it’s generated?
Create Function Php
You generate a new key string with the function, check to see if it exists in your database, and lather/rinse/repeat until that is no longer the case. Usually you won’t have collisions too often, so it will only need to run once. I’m too lazy to figure out the probability, but considering there are 52,521,875 possible combinations for one 5-character segment…you’re probably not going to run into performance issues anytime soon. And if you do, just add another segment onto your key strings.