This PHP function tables a hexadecimal color code like “ff0000” and figures out what’s more color font text would be more readable, black or white.
This one-liner function will turn a string into an array by its whitespace properly looking for full-width spaces and multi-byte whitespace characters.
If you need to skip to the next item inside of a PHP loop its simple with the continue; control keyword. You can also use
Using the built in PHP regex function preg_replace and property encoding the two strings you’re searching for with preg_quote you can remove all of the
Many times you’ll want to remove the meta data on user uploaded images to your website. The meta data automatically saved to the images can
Looping through all of a PHP objects properties is just as easy as an array. Output:
The PHP json_decode function will return a strict null if the string passed into it is invalid json or it can’t parse it successfully. The
This PHP function will delete all valid cookies for a domain. We’re also sanitizing the cookie variable names from invalid characters.
Using the PHP filter_var function we can test email addresses for valid format and only unicode characters. Example usage below.
Using the preg_replace function you can easily replace all characters in a string that are not alphanumeric. This can be useful for sanitizing a string