How to Check if a URL Parameter Exists...
Check it a URL parameter exists in Oxygen Builder.
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if( function_exists('oxygen_vsb_register_condition') && function_exists('pll_languages_list') ) {
$lang_list = pll_languages_list();
oxygen_vsb_register_condition(
//Condition Name
'Locale',
//Values
array(
'options' => $lang_list,
'custom' => false
),
//Operators
array('==', '!='),
//Callback Function
'polylang_callback',
//Condition Category
'Polylang'
);
function polylang_callback($value, $operator) {
$my_lang = pll_current_language();
global $OxygenConditions;
return $OxygenConditions->eval_string($my_lang, $value, $operator);
}
}
Check it a URL parameter exists in Oxygen Builder.
