Function and usage of parse_w3cdtf() in wordpress


Answers ( 1 )


    The parse_w3cdtf() function in WordPress is designed to parse a date string formatted according to the W3C Date and Time Formats specification. This specification is often used in RSS feeds and other web standards. The function converts the specified date string into a Unix timestamp, which represents the number of seconds since January 1, 1970 (the Unix epoch).

    Function Definition

    parse_w3cdtf( string $date_str )


    • $date_str (string): The date string in W3C Date and Time Formats specification to be parsed.

    Return Value

    • This function returns an integer Unix timestamp on success.
    • If the parsing fails (e.g., if the provided string does not match the expected format), it returns false.

    Usage Example

    // Sample date string in W3C format
    $date_string = "2024-01-09T15:30:00Z";
    // Parsing the date string
    $timestamp = parse_w3cdtf( $date_string );
    // Check if the parsing was successful
    if ( $timestamp !== false ) {
        // If successful, convert the timestamp to a more readable format
        $readable_date = date( "Y-m-d H:i:s", $timestamp );
        echo "Parsed Date: " . $readable_date;
    } else {
        // If parsing fails
        echo "Parsing failed for the given date string.";

    In this example, a date string in the W3C Date and Time format is provided to the parse_w3cdtf() function. The function attempts to parse this string and convert it to a Unix timestamp. If successful, the timestamp is further converted to a human-readable date and time format for display purposes. If the parsing fails, an error message is shown.

    This function is particularly useful when dealing with RSS feeds or other data sources that adhere to W3C standards for date and time representation. It simplifies the process of converting these date strings into a format that can be easily manipulated and displayed in PHP.

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