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maybe_drop_column › WordPress Function
Da1.0.0
Deprecaton/a
› maybe_drop_column ( $table_name, $column_name, $drop_ddl )
Parametri: (3) |
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Ritorna: |
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Definito a: |
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Codex: |
Drops column from database table, if it exists.
Funzioni correlate: maybe_add_column, _maybe_update_plugins, _maybe_update_core, get_hidden_columns, parent_dropdown
Sorgenti
function maybe_drop_column( $table_name, $column_name, $drop_ddl ) { global $wpdb; // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Cannot be prepared. Fetches columns for table names. foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) { if ( $column === $column_name ) { // Found it, so try to drop it. // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- No applicable variables for this query. $wpdb->query( $drop_ddl ); // We cannot directly tell whether this succeeded! // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Cannot be prepared. Fetches columns for table names. foreach ( $wpdb->get_col( "DESC $table_name", 0 ) as $column ) { if ( $column === $column_name ) { return false; } } } } // Else didn't find it. return true; }