wp_checkdate( int $month, int $day, int $year, string $source_date ): bool

Parameters

$monthint

Month number.

$dayint

Day number.

$yearint

Year number.

$source_datestring

The date to filter.

Return

bool

True if valid date, false if not valid date.

Hooks fired · 1

One hook fires while wp_checkdate() runs, in this order:

1. 1
   apply_filters( wp_checkdate )filterline 7363 (+9 into the body)

   Filters whether the given date is valid for the Gregorian calendar.

Uses · 1

• apply_filters()Calls the callback functions that have been added to a filter hook.

Used by · 7

• WP_Customize_Manager::save()Handles customize_save WP Ajax request to save/update a changeset.
• WP_Date_Query::validate_date_values()Validates the given date_query values and triggers errors if something is not valid.
• WP_Query::parse_query()Parses a query string and sets query type booleans.
• _wp_translate_postdata()Renames `$_POST` data from form names to DB post columns.
• redirect_canonical()Redirects incoming links to the proper URL based on the site url.
• wp_resolve_post_date()Uses wp_checkdate to return a valid Gregorian-calendar value for post_date.
• wp_validate_site_data()Validates data for a site prior to inserting or updating in the database.

Source

View on Trac ↗View on GitHub ↗

7354function wp_checkdate( $month, $day, $year, $source_date ) {7355	/**7356	 * Filters whether the given date is valid for the Gregorian calendar.7357	 *7358	 * @since 3.5.07359	 *7360	 * @param bool   $checkdate   Whether the given date is valid.7361	 * @param string $source_date Date to check.7362	 */7363	return apply_filters( 'wp_checkdate', checkdate( $month, $day, $year ), $source_date );7364}

History

Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

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