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<?php function _arte_cms_tracking_og_are_settings_null($settings) { if(is_array($settings)) { if (!empty($settings)) { $current_value = array_shift($settings); if(!is_multiArrayEmpty($current_value) || !is_multiArrayEmpty($settings)){ return FALSE; } else { return TRUE; } } } // If we reached this point, the variable is not an array anymore. Trim it // and test if it is empty or not: $current_trimmed_value = trim($settings); if(empty($current_trimmed_value)){ return TRUE; } else { return FALSE; } } $t = array(); if (_arte_cms_tracking_og_are_settings_null($t)) { echo "EMPTY"; }else { echo "NOT EMPTY!"; }
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Warning: trim() expects parameter 1 to be string, array given in /in/MpXIM on line 18 EMPTY
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/MpXIM on line 18 NOT EMPTY!