wp_filesize( string $path ): int

Source

function wp_filesize( $path ): int {
	/**
	 * Filters the result of wp_filesize() before the file_exists() PHP function is run.
	 *
	 * @since 6.0.0
	 * @since 7.1.0 Negative values are now ignored, being treated the same as null. Numeric values are cast to integers.
	 *
	 * @param null|int $size The unfiltered value. Returning a non-negative number from the callback bypasses the filesize call.
	 * @param string   $path Path to the file.
	 */
	$size = apply_filters( 'pre_wp_filesize', null, $path );
	if ( is_numeric( $size ) ) {
		$size = (int) $size;
	}
	if ( is_int( $size ) && $size >= 0 ) {
		return $size;
	}

	$size = file_exists( $path ) ? (int) filesize( $path ) : 0;

	/**
	 * Filters the size of the file.
	 *
	 * @since 6.0.0
	 * @since 7.1.0 The return value is now always zero or greater. Numeric values are cast to integers.
	 *
	 * @param int    $size The result of PHP filesize on the file.
	 * @param string $path Path to the file.
	 */
	$size = apply_filters( 'wp_filesize', $size, $path );
	if ( is_numeric( $size ) ) {
		$size = (int) $size;
	} else {
		$size = 0;
	}
	return max( 0, $size );
}

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