| @@ -1,4 +1,4 @@ | ||
| 1 | 1 | <?php |
| 2 | 2 | /** |
| 3 | 3 | * @version 1.0 |
| 4 | 4 | * @package Booking Calendar |
| @@ -57,21 +57,31 @@ | ||
| 57 | 57 | |
| 58 | 58 | |
| 59 | 59 | |
| 60 | 60 | |
| 61 | -/** | |
| 62 | - * Check if table exist | |
| 63 | - * | |
| 64 | - * @global $wpdb | |
| 65 | - * @param string $tablename | |
| 66 | - * @param $fieldname | |
| 67 | - * @return 0|1 | |
| 68 | - */ | |
| 69 | -function wpbc_is_field_in_table_exists( $tablename, $fieldname ) { | |
| 61 | +/** | |
| 62 | + * Check whether a field exists in a database table. | |
| 63 | + * | |
| 64 | + * Missing tables return zero without issuing a column query. This keeps | |
| 65 | + * activation schema checks quiet while an owning edition is not installed yet. | |
| 66 | + * | |
| 67 | + * @param string $tablename Table name or Booking Calendar table suffix. | |
| 68 | + * @param string $fieldname Field name. | |
| 69 | + * | |
| 70 | + * @return int One when the field exists; otherwise zero. | |
| 71 | + * @global wpdb $wpdb WordPress database abstraction object. | |
| 72 | + */ | |
| 73 | +function wpbc_is_field_in_table_exists( $tablename, $fieldname ) { | |
| 74 | + | |
| 75 | + global $wpdb; | |
| 76 | + | |
| 77 | + // Schema probes against a missing table emit a visible WordPress database error. | |
| 78 | + // Activation callers treat a missing table and a missing field identically, so | |
| 79 | + // fail closed before issuing SHOW COLUMNS. | |
| 80 | + if ( 0 === wpbc_is_table_exists( $tablename ) ) { | |
| 81 | + return 0; | |
| 82 | + } | |
| 70 | 83 | |
| 71 | - | |
| 72 | - global $wpdb; | |
| 73 | - | |
| 74 | 84 | if ( |
| 75 | 85 | ( ( ! empty( $wpdb->prefix ) ) && ( strpos( $tablename, $wpdb->prefix ) === false ) ) |
| 76 | 86 | || ( '_' == $wpdb->prefix ) // FixIn: 8.7.3.16. |
| 77 | 87 | ) { |
| @@ -106,20 +116,26 @@ | ||
| 106 | 116 | return 0; |
| 107 | 117 | } |
| 108 | 118 | |
| 109 | 119 | |
| 110 | -/** | |
| 111 | - * Check if index exist | |
| 112 | - * | |
| 113 | - * @param string $tablename | |
| 114 | - * @param $fieldindex | |
| 115 | - * | |
| 116 | - * @return 0|1 | |
| 117 | - * @global $wpdb | |
| 118 | - */ | |
| 119 | -function wpbc_is_index_in_table_exists( $tablename, $fieldindex ) { | |
| 120 | - global $wpdb; | |
| 121 | - if ( ( ! empty( $wpdb->prefix ) ) && ( strpos( $tablename, $wpdb->prefix ) === false ) ) { | |
| 120 | +/** | |
| 121 | + * Check whether an index exists in a database table. | |
| 122 | + * | |
| 123 | + * Missing tables return zero without issuing an index query. | |
| 124 | + * | |
| 125 | + * @param string $tablename Table name or Booking Calendar table suffix. | |
| 126 | + * @param string $fieldindex Index name. | |
| 127 | + * | |
| 128 | + * @return int One when the index exists; otherwise zero. | |
| 129 | + * @global wpdb $wpdb WordPress database abstraction object. | |
| 130 | + */ | |
| 131 | +function wpbc_is_index_in_table_exists( $tablename, $fieldindex ) { | |
| 132 | + global $wpdb; | |
| 133 | + | |
| 134 | + if ( 0 === wpbc_is_table_exists( $tablename ) ) { | |
| 135 | + return 0; | |
| 136 | + } | |
| 137 | + if ( ( ! empty( $wpdb->prefix ) ) && ( strpos( $tablename, $wpdb->prefix ) === false ) ) { | |
| 122 | 138 | $tablename = $wpdb->prefix . $tablename; |
| 123 | 139 | } |
| 124 | 140 | /* phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQL.InterpolatedNotPrepared */ |
| 125 | 141 | $sql_check_table = $wpdb->prepare( "SHOW INDEX FROM {$tablename} WHERE Key_name = %s", $fieldindex ); |