Quick Reference
The PHP uniqid() function generates a unique ID based on the microtime (the current time in microseconds).
<?php
echo uniqid();
?>Output
5ece4797eaf5eSyntax
uniqid(prefix, more_entropy)Parameters
| Parameter | Description |
|---|---|
| prefix | Specifies a prefix to the unique ID (useful if two scripts generate ids at exactly the same microsecond) |
| more_entropy | Specifies more entropy at the end of the return value, making the result more unique; when set to TRUE, the return string will be 23 characters (default is FALSE, and the return string will be 13 characters long) |
PHP Notes:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.