2.8 compatibility

[gmschade]

when trying to use any pure theme getting errors:

( ! ) Warning: Invalid argument supplied for foreach() in /var/www/piwigo/themes/Pure_default/themeconf.inc.php on line 139
Call Stack
&#35 Time Memory Function Location
1 0.0014 316920 {main}( ) ../index.php:0
2 0.8074 7899984 Template->pparse( ) ../index.php:367
3 0.8074 7900032 Template->parse( ) ../template.class.php:504
4 0.8075 7900232 Smarty_Internal_TemplateBase->fetch( ) ../template.class.php:484
5 0.8075 7900424 Smarty_Internal_TemplateBase->_execute( ) ../smarty_internal_templatebase.php:94
6 0.8077 7922232 Smarty_Internal_Template->render( ) ../smarty_internal_templatebase.php:191
7 0.8079 7925416 Smarty_Template_Compiled->render( ) ../smarty_internal_template.php:159
8 0.8079 7925416 Smarty_Template_Compiled->process( ) ../smarty_template_compiled.php:193
9 0.8079 7925416 Smarty_Template_Compiled->compileTemplateSource( ) ../smarty_template_compiled.php:123
10 0.8080 7928440 Smarty_Internal_TemplateCompilerBase->compileTemplate( ) ../smarty_template_compiled.php:236
11 0.8080 7928536 Smarty_Internal_TemplateCompilerBase->compileTemplateSource( ) ../smarty_internal_templatecompilerbase.php:329
12 0.8082 7937544 Smarty_Internal_TemplateCompilerBase->preFilter( ) ../smarty_internal_templatecompilerbase.php:392
13 0.8082 7937624 Smarty_Internal_Runtime_FilterHandler->runFilter( ) ../smarty_internal_templatecompilerbase.php:449
14 0.8091 7954008 Pure_default_prefilter_index( ) ../smarty_internal_runtime_filterhandler.php:66

AND

( ! ) Warning: Invalid argument supplied for foreach() in /var/www/pwigo/themes/Pure_default/themeconf.inc.php on line 139
Call Stack
&#35 Time Memory Function Location
1 0.0014 316920 {main}( ) ../index.php:0
2 0.8074 7899984 Template->pparse( ) ../index.php:367
3 0.8074 7900032 Template->parse( ) ../template.class.php:504
4 0.8075 7900232 Smarty_Internal_TemplateBase->fetch( ) ../template.class.php:484
5 0.8075 7900424 Smarty_Internal_TemplateBase->_execute( ) ../smarty_internal_templatebase.php:94
6 0.8077 7922232 Smarty_Internal_Template->render( ) ../smarty_internal_templatebase.php:191
7 0.8079 7925416 Smarty_Template_Compiled->render( ) ../smarty_internal_template.php:159
8 1.0802 8118608 Smarty_Template_Resource_Base->getRenderedTemplateCode( ) ../smarty_template_compiled.php:199
9 1.0802 8126192 content_56df07b7cbedc1_30724897( ) ../smarty_template_resource_base.php:122
10 1.0804 8127736 Smarty_Internal_Runtime_SubTemplate->render( ) ../m8oh3h_ftxyuw^e49533b56417b7343b41fcbb4d2cf7ce00dcf8be_0.file.index.tpl.php:32
11 1.0806 8131272 Smarty_Internal_Template->render( ) ../smarty_internal_runtime_subtemplate.php:174
12 1.0807 8132376 Smarty_Template_Compiled->render( ) ../smarty_internal_template.php:159
13 1.0807 8132376 Smarty_Template_Compiled->process( ) ../smarty_template_compiled.php:193
14 1.0807 8132376 Smarty_Template_Compiled->compileTemplateSource( ) ../smarty_template_compiled.php:123
15 1.0808 8135400 Smarty_Internal_TemplateCompilerBase->compileTemplate( ) ../smarty_template_compiled.php:236
16 1.0808 8135496 Smarty_Internal_TemplateCompilerBase->compileTemplateSource( ) ../smarty_internal_templatecompilerbase.php:329
17 1.0810 8136832 Smarty_Internal_TemplateCompilerBase->preFilter( ) ../smarty_internal_templatecompilerbase.php:392
18 1.0810 8136912 Smarty_Internal_Runtime_FilterHandler->runFilter( ) ../smarty_internal_templatecompilerbase.php:449
19 1.0812 8137944 Pure_default_prefilter_index( ) ../smarty_internal_runtime_filterhandler.php:66