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How can I use the file_put_contents function to write a string to a file in PHP? Example code:
$file_contents = "Hello World!"; file_put_contents("example.txt", $file_contents);
How can I use the filemtime function to get the last modified time of a file in PHP? Example code:
How can I convert a string to uppercase in PHP? Example code:
How can I format a date in PHP? Example code:
How to code in PHP
How can I create a file in PHP? Example code:
How can I use the array_diff function to get the elements in one array that are not in another array in PHP? Example code:
How can I send an email using PHP? Example code
How can I redirect to another page in PHP? Example code:
How can I sort an associative array by its values 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 upload a file using PHP? Example code
How can I use a regular expression to match a pattern in a string 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 use the in_array function to check if an element exists in an array in PHP? Example code:
How can I use a ternary operator 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 add days to a date in PHP? Example code:
How can I use a do-while loop in PHP? Example code:
How can I replace a substring in a string in PHP? Example code:
How can I check if a variable is set 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 connect to a MySQL database using PHP? Example code.
How can I retrieve data from a MySQL database using PHP? Example code
How can I use the array_slice function to get a portion of an array in PHP? Example code:
How can I use a conditional statement in PHP? Example code
How can I delete a file in PHP? Example code:
How can I use a while loop 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 calculate the difference between two dates in PHP? Example code: