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

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

$date = "2022-03-05";

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

How can I use the strrev function to reverse a string in PHP? Example code:

How to create drop down menu in PHP with example

How can I write to a CSV file in PHP? Example code:

How can I use an if-else statement in PHP? Example code:

How can I use the array_rand function to get a random key from an array 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 connect to a MySQL database using PHP? Example code.

How can I use the array_shift function to remove the first element from an array in PHP? Example code:

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How can I use the curl_init function to initialize a cURL session in PHP? Example code:

How can I use the array_filter function to filter an array based on a condition in PHP? Example code:

How can I read data from a JSON file using PHP? Example code:

How can I use the array_intersect function to get the common elements between two or more arrays 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 to send SMS using PHP program (full code sample included)

How can I use the in_array function to check if an element exists in an array in PHP? Example code:

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

How can I check if a variable is set in PHP? Example code:

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How can I calculate the sum of an array in PHP? Example code:

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How can I add days to a date in PHP? Example code:

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Get User IP Address using PHP – Source Code + Demo

How can I check if a string starts with a certain substring in PHP? Example code:

How can I use the array_reduce function to apply a function to each element of an array and reduce it to a single value 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 use the is_writable function to check if a file is writable in PHP? Example code:

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