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save_field_options()

Parameters

ColumnTypeDefaultDescription
$field

Location

include/resource_functions.php lines 4337 to 4446

Definition

 
function save_field_options($field)
    {
    # Save the field options after editing.
    global $languages,$defaultlanguage;
    
    $fielddata=get_field($field);
    $options=get_nodes($field);
    //$options=trim_array(explode(",",$fielddata["options"]));

    for ($n=0;$n<count($options);$n++)
        {
        hook("before_save_field_options","",array($field,$options,$n));
        if (getval("submit_field_" . $n,"")!="")
            {
            # This option/language combination is being renamed.

            # Construct a new option from the posted languages
            $new="";$count=0;
            foreach ($languages as $langcode=>$langname)
                {
                $val=getvalescaped("field_" . $langcode . "_" . $n,"");
                if ($val!="") {$new.="~" . $langcode . ":" . $val;$count++;}
                }
            # Only one language, do not use language syntax.
            if ($count==1) {$new=getvalescaped("field_" . $defaultlanguage . "_" . $n,"");}
            
            # Construct a new options value by creating a new array replacing the item in position $n
            $newoptions=array_merge(array_slice($options,0,$n),array($new),array_slice($options,$n+1));

            foreach ($newoptions as $no)
                {
                set_node(null,$field,$no,null,null);
                }

            # Loop through all matching resources.
            # The matches list uses 'like' so could potentially return values that do not have this option set. However each value list split out and analysed separately.
            $matching=sql_query("select resource,value from resource_data where resource_type_field='$field' and value like '%" . escape_check($options[$n]) . "%'");
            for ($m=0;$m<count($matching);$m++)
                {
                $ref=$matching[$m]["resource"];
                                
                $set=trim_array(explode(",",$matching[$m]["value"]));
                
                # Construct a new value omitting the old and adding the new.
                $newval=array();
                for ($s=0;$s<count($set);$s++)
                    {
                    if ($set[$s]!==$options[$n]) {$newval[]=$set[$s];}
                    }
                $newval[]=$new; # Set the new value on the end of this string
                $newval=join(",",$newval);
                
                #echo "Old value = '" . $matching[$m]["value"] . "', new value = '" . $newval . "'";
                
                if ($matching[$m]["value"]!== $newval)
                    {
                    # Value has changed. Update.

                    # Delete existing keywords index for this field.
                    sql_query("delete from resource_keyword where resource='$ref' and resource_type_field='$field'");
                    
                    # Store value and reindex
                    update_field($ref,$field,$newval);
                    }
                }
            
            }


        if (getval("delete_field_" . $n,"")!="")
            {
            # This field option is being deleted.
            
            # Construct a new options value by creating a new array ommitting the item in position $n
            $new=array_merge(array_slice($options,0,$n),array_slice($options,$n+1));
            
            foreach ($new as $new_option)
                {
                set_node(null,$field,escape_check(trim($new_option)),null,null);
                }
            
            # Loop through all matching resources.
            # The matches list uses 'like' so could potentially return values that do not have this option set. However each value list split out and analysed separately.
            $matching=sql_query("select resource,value from resource_data where resource_type_field='$field' and value like '%" . escape_check($options[$n]) . "%'");
            for ($m=0;$m<count($matching);$m++)
                {
                $ref=$matching[$m]["resource"];
                                
                $set=trim_array(explode(",",$matching[$m]["value"]));
                $new=array();
                for ($s=0;$s<count($set);$s++)
                    {
                    if ($set[$s]!==$options[$n]) {$new[]=$set[$s];}
                    }
                $new=join(",",$new);
                
                if ($matching[$m]["value"]!== $new)
                    {
                    # Value has changed. Update.

                    # Delete existing keywords index for this field.
                    sql_query("delete from resource_keyword where resource='$ref' and resource_type_field='$field'");
                    
                    # Store value and reindex
                    update_field($ref,$field,$new);
                    }
                }
            }
        }
    }

This article was last updated 8th July 2020 11:35 Europe/London time based on the source file dated 7th July 2020 16:18 Europe/London time.