How can I subtract days from a date in PHP? Example code:

Listen

$date = "2022-03-05";

// Subtract 7 days from the date
echo date("Y-m-d", strtotime($date . "-7 days"));

How can I create a multidimensional array in PHP? Example code:

How can I use a foreach loop in PHP? Example code:

How can I use the filemtime function to get the last modified time of a file in PHP? Example code:

How can I format a number with commas in PHP? Example code:

How to send SMS using PHP program (full code sample included)

How can I convert a string to uppercase in PHP? Example code:

How can I get the current date and time in PHP? Example code:

How can I use the array_keys function to get an array of keys from an associative array in PHP? Example code:

How can I generate a random string in PHP? Example code:

How can I use the explode function to split a string into an array in PHP? Example code:

How can I use a regular expression to replace a pattern in a string in PHP? Example code:

How can I read a file in PHP? Example code:

How can I use the array_merge function to merge two or more arrays in PHP? Example code:

How can I generate a random number in PHP? Example code

How can I use a for loop in PHP? Example code:

How can I use a conditional statement in PHP? Example code

How can I create a file in PHP? Example code:

How can I delete a file in PHP? Example code:

How can I create a class in PHP? Example code:

How can I trim whitespace from the beginning and end of a string in PHP? Example code:

How can I loop through an array in PHP? Example code

How can I use the is_writable function to check if a file is writable in PHP? Example code:

How can I sort an array in PHP? Example code:

How can I use the scandir function to get a list of files and directories in a directory in PHP? Example code:

How can I retrieve data from a MySQL database using PHP? Example code

How can I shuffle an array in PHP? Example code:

How can I use the array_search function to search for a value in an array and return its key in PHP? Example code:

How can I use the file_get_contents function to read the contents of a file into a string in PHP? Example code:

How can I use the fopen and fwrite functions to write a string to a file in PHP? Example code:

How can I use the rename function to rename a file or directory in PHP? Example code: