在将我的文件从本地服务器移动到实时服务器后的wp-admin中，我在进入插件页面时遇到问题。
解析错误：syntax error, unexpected '+', expecting ',' or ';' wp-content/plugins/fusion-core/admin/page-builder/classes/class-prebuilt-templates.php on line 30。
请让我知道为什么会发生这种错误。
文件代码
<?php
/**
* Class for Pre-Built templates
*
* @package FusionCore
* @author ThemeFusion
* @link http://theme-fusion.com
* @copyright ThemeFusion
*/
if( ! class_exists( 'Fusion_Core_Prebuilt_Templates' ) ) {
class Fusion_Core_Prebuilt_Templates {
/**
* Instance of this class.
*
* @since 2.0.0
*
* @var object
*/
protected static $instance = null;
/**
* content of templates.
*
* @since 2.0.0
*
* @var string
*/
protected static $content = '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';
function __construct() {
//construct
}
/**
* Return an instance of this class.
*
* @since 2.0.0
*
* @return object A single instance of this class.
*/
public static function get_instance() {
// If the single instance hasn't been set, set it now.
if ( null == self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Function to get signle page content
*
* @since 2.0.0
*
* @return String Page content
*/
public function get_single_template() {
$content = unserialize( base64_decode( self::$content ) );
$page = stripslashes( $content[ $_POST['ID'] ] );
return $page;
}
/**
* Function to get tab content for pre-built templates
*
* @since 2.0.0
*
* @return String String having tab content
*/
public function get_prebuilt_templates () {
$columns = 6; //number of columns
$content = '<div id="pre_built_templates_wrapper"><div id="custom_templates_right" class="custom_pre_built">';
//get templates data
$templates = unserialize( base64_decode( self::$content ) );
//if value exists and there are more than 1 number of templates
if ( $templates != false && count( $templates ) > 0 ) {
//generate column combinations
$combinations = FusionHelper::generate_column_combinations( count( $templates ), $columns );
//add data in each column
for( $i = 0; $i < $columns; $i++) {
//if no data available for this column then break
if( $combinations[$i] == 0 ) { break; }
$counter = 0 ;
$content.= ' <div class="pre_built_templates_section">';
foreach( $templates as $key => $value ) {
$content.= ' <div class="template_selection_wrapper"> ';
$content.= ' <a class="fusion_pre_built_template templates_selection" data-id="'.$key.'" ';
$content.= ' href="JavaScript:void(0)">'.$key.'</a>';
$content.= ' </div>';
//remove current element from array for next iteration
unset( $templates[$key] );
$counter++;
//if reached combination value then break loop
if ( $counter == $combinations[$i] ) { break; }
}
$content.= '</div>';
}
}
$content.= '</div></div>';
return $content;
}
}
}