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 use a for loop 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 use a ternary operator in PHP? Example code:

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

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

How can I redirect to another page in PHP? Example code:

How can I use the mkdir function to create a directory in PHP? Example code:

How can I generate a random number 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 connect to a MySQL database using PHP? Example code.

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

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

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

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

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

PHP Use Cases with Example Source Code

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

How can I use the htmlspecialchars function to convert special characters to HTML entities 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 the explode function to split a string into an array with a limit in PHP? Example code:

How to code in PHP

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

How can I use a try-catch block in PHP? Example code:

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

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

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

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