3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
22 * Replacement array for FSS with fallback to strtr()
23 * Supports lazy initialisation of FSS resource
25 class ReplacementArray
{
26 private $data = false;
30 * Create an object with the specified replacement array
31 * The array should have the same form as the replacement array for strtr()
34 public function __construct( $data = array() ) {
41 public function __sleep() {
42 return array( 'data' );
45 public function __wakeup() {
50 * Set the whole replacement array at once
53 public function setArray( $data ) {
61 public function getArray() {
66 * Set an element of the replacement array
70 public function setPair( $from, $to ) {
71 $this->data
[$from] = $to;
78 public function mergeArray( $data ) {
79 $this->data
= $data +
$this->data
;
84 * @param ReplacementArray $other
86 public function merge( ReplacementArray
$other ) {
87 $this->data
= $other->data +
$this->data
;
94 public function removePair( $from ) {
95 unset( $this->data
[$from] );
102 public function removeArray( $data ) {
103 foreach ( $data as $from => $to ) {
104 $this->removePair( $from );
110 * @param string $subject
113 public function replace( $subject ) {
115 function_exists( 'fss_prep_replace' ) &&
116 version_compare( PHP_VERSION
, '5.5.0' ) < 0
118 if ( $this->fss
=== false ) {
119 $this->fss
= fss_prep_replace( $this->data
);
121 $result = fss_exec_replace( $this->fss
, $subject );
123 $result = strtr( $subject, $this->data
);