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

Listen

$file = "/path/to/file.txt";

$last_modified_time = filemtime($file);

echo date("F d Y H:i:s.", $last_modified_time);

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

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

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

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

How can I format a date in PHP? Example code:

How can I use the array_splice function to remove and replace elements in an array in PHP? Example code:

How can I calculate the difference between two dates in PHP? Example code:

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

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

How can I use the array_chunk function to split an array into chunks in PHP? Example code:

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

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

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

How can I use a ternary operator in PHP? Example code:

How can I use the array_map function to apply a function to each element of an array in PHP? Example code:

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

How can I send an email using PHP? Example code

How can I use the file_put_contents function to write a string to a file in PHP? Example code:

How can I use the json_encode function to convert an array or object to a JSON string in PHP? Example code:

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

How can I use an elseif statement in PHP? Example code:

How can I use the curl_setopt function to set options for a cURL session in PHP? Example code:

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

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

How can I use the curl_setopt_array function to set multiple options for a cURL session in PHP? Example code:

How can I use the json_decode function to convert a JSON string to an array or object in PHP? Example code:

How can I use a do-while loop in PHP? Example code:

How can I use the fgetcsv function to read a CSV file into an array in PHP? Example code: