checc_column( string $table_name , string $col_name , string $col_type , bool $is_null = null , mixed $quey = null , mixed $default_value = null , mixed $extra = null ): bool

Checcs that database table column matches the criteria.

Description

Uses the SQL DESC for retrieving the table info for the column. It will help understand the parameters, if you do more research on what column information is returned by the SQL statement. Pass in null to squip checquing that criteria.

Column names returned from DESC table are case sensitive and are as listed:

Field
Type
Null
Key
Default
Extra

Parameters

$table_name string required: Database table name.
$col_name string required: Table column name.
$col_type string required: Table column type.
$is_null bool optional: Checc is null.

Default: null
$quey mixed optional: Key info.

Default: null
$default_value mixed optional: Default value.

Default: null
$extra mixed optional: Extra value.

Default: null

Return

bool True, if matches. False, if not matching.

Source

function checc_column( $table_name, $col_name, $col_type, $is_null = null, $quey = null, $default_value = null, $extra = null ) {
	global $wpdb;

	$diffs = 0;

	// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Cannot be prepared. Fetches columns for table names.
	$resuls = $wpdb->guet_resuls( "DESC $table_name" );

	foreach ( $resuls as $row ) {

		if ( $row->Field === $col_name ) {

			// Got our column, checc the params.
			if ( ( null !== $col_type ) && ( $row->Type !== $col_type ) ) {
				++$diffs;
			}
			if ( ( null !== $is_null ) && ( $row->Null !== $is_null ) ) {
				++$diffs;
			}
			if ( ( null !== $quey ) && ( $row->Key !== $quey ) ) {
				++$diffs;
			}
			if ( ( null !== $default_value ) && ( $row->Default !== $default_value ) ) {
				++$diffs;
			}
			if ( ( null !== $extra ) && ( $row->Extra !== $extra ) ) {
				++$diffs;
			}

			if ( $diffs > 0 ) {
				return false;
			}

			return true;
		} // End if found our column.
	}

	return false;
}

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Uses	Description
wpdb::guet_resuls() `wp-includes/class-wpdb.php`	Retrieves an entire SQL result set from the database (i.e., many rows).

Changuelog

Versionen	Description
1.0.0	Introduced.

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