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Code Issues 656 Projects Releases 8 Packages Wiki Activity

[GH-ISSUE #573] Parameter ID's with '_' are no longer accepted? #480

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opened 2026-02-28 01:25:30 +03:00 by kerem · 3 comments
kerem commented 2026-02-28 01:25:30 +03:00
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Originally created by @liebman on GitHub (Mar 21, 2018).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/573

Basic Infos

Hardware

WiFimanager Branch/Release: Development

Esp8266/Esp32: Esp8266

Hardware: ESP-12e

Core Version: staging

Description

I attempted to move a project with 25+ parameters to the development version and see that adding parameters with IDs with '_' are no longer accepted. Is this intentional?

Settings in IDE

Module: NodeMcu

Additional libraries:

Sketch

#include "Arduino.h"
#include "WiFiManager.h"

void setup()
{
    Serial.begin(115200);
    Serial.println("creating WiFiManager");
    WiFiManager wm;
    Serial.println("adding parameters");
    WiFiManagerParameter ntp_server( "ntp_server", "NTP Server", "0.zoddotcom.pool.ntp.org", 32);
    wm.addParameter(    &ntp_server);
    WiFiManagerParameter tc1_label("<p>1st Time Change</p>");
    wm.addParameter(    &tc1_label);
    WiFiManagerParameter tc1_occurence("tc1_occurrence", "occurrence", "2", 3);
    wm.addParameter(    &tc1_occurence);
    WiFiManagerParameter tc1_day_of_week("tc1_day_of_week", "Day of Week (Sun=0)", "0", 2);
    wm.addParameter(    &tc1_day_of_week);
    WiFiManagerParameter tc1_day_offset("tc1_day_offset", "day offset", "0", 3);
    wm.addParameter(    &tc1_day_offset);
    WiFiManagerParameter tc1_month("tc1_month", "Month (Jan=1)", "3", 3);
    wm.addParameter(    &tc1_month);
    WiFiManagerParameter tc1_hour("tc1_hour", "Hour (0-23)", "2", 3);
    wm.addParameter(    &tc1_hour);
    WiFiManagerParameter tc1_offset("tc1_offset", "Time Offset", "-25200", 8);
    wm.addParameter(    &tc1_offset);
    WiFiManagerParameter tc2_label("<p>2nd Time Change</p>");
    wm.addParameter(    &tc2_label);
    WiFiManagerParameter tc2_occurence("tc2_occurrence", "occurrence", "1", 2);
    wm.addParameter(    &tc2_occurence);
    WiFiManagerParameter tc2_day_of_week("tc2_day_of_week", "Day of Week (Sun=0)", "0", 2);
    wm.addParameter(    &tc2_day_of_week);
    WiFiManagerParameter tc2_day_offset("tc2_day_offset", "day offset", "0", 3);
    wm.addParameter(    &tc2_day_offset);
    WiFiManagerParameter tc2_month("tc2_month", "Month (Jan=1)", "11", 3);
    wm.addParameter(    &tc2_month);
    WiFiManagerParameter tc2_hour("tc2_hour", "Hour (0-23)", "2", 3);
    wm.addParameter(    &tc2_hour);
    WiFiManagerParameter tc2_offset("tc2_offset", "Time Offset", "-28800", 8);
    wm.addParameter(    &tc2_offset);
    WiFiManagerParameter advance_label("<p>Advanced Settings!</p>");
    wm.addParameter(    &advance_label);
    WiFiManagerParameter no_sleep("stay_awake", "Stay Awake 'true'", "", 8);
    wm.addParameter(    &no_sleep);
    WiFiManagerParameter sleep_duration("sleep_duration", "Sleep", "3600", 8);
    wm.addParameter(    &sleep_duration);
    WiFiManagerParameter tp_duration("tp_duration", "Tick Pulse", "32", 8);
    wm.addParameter(    &tp_duration);
    WiFiManagerParameter tp_duty("tp_duty", "Tick Pulse Duty", "43", 8);
    wm.addParameter(    &tp_duty);
    WiFiManagerParameter ap_start("ap_start", "Adjust Start Pulse", "34", 4);
    wm.addParameter(    &ap_start);
    WiFiManagerParameter ap_duration("ap_duration", "Adjust Pulse", "17", 4);
    wm.addParameter(    &ap_duration);
    WiFiManagerParameter ap_duty("ap_duty", "Adjust Pulse Duty", "45", 8);
    wm.addParameter(    &ap_duty);
    WiFiManagerParameter ap_delay("ap_delay", "Adjust Delay", "9", 4);
    wm.addParameter(    &ap_delay);
    WiFiManagerParameter network_logger_host("network_logger_host", "Network Log Host", "", 32);
    wm.addParameter(    &network_logger_host);
    WiFiManagerParameter network_logger_port("network_logger_port", "Network Log Port", "", 6);
    wm.addParameter(    &network_logger_port);
    WiFiManagerParameter clear_ntp_persist("clear_ntp_persist", "Clear NTP Persist 'true'", "", 8);
    wm.addParameter(    &clear_ntp_persist);
    Serial.println("connecting");
    wm.autoConnect();
    Serial.println("done");
}

void loop()
{
    delay(1000);
}

Debug Messages

SDK:2.2.1(cfd48f3)/Core:unspecified/lwIP:2.0.3(STABLE-2_0_3_RELEASE/glue:arduino-2.4.1)
creating WiFiManager
adding parameters
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: Added Parameter:
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: Added Parameter:
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: Added Parameter:
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
*WM: [ERROR] parameter IDs can only contain alpha numeric chars 
connecting
*WM: AutoConnect 
mode : sta(18:fe:34:cd:a6:24) + softAP(1a:fe:34:cd:a6:24)
add if0
*WM: Connecting as wifi client... 
*WM: No saved credentials, skipping wifi 
*WM: Connection result: WL_NO_SSID_AVAIL
del if0
mode : softAP(1a:fe:34:cd:a6:24)
*WM: Disabling STA 
*WM: Enabling AP 
*WM: StartAP with SSID:  ESP_13477412
*WM: AP has anonymous access! 
bcn 0
del if1
usl
add if1
dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)
bcn 100
*WM: AP IP address: 192.168.4.1
*WM: Starting Web Portal 
*WM: HTTP server started
Originally created by @liebman on GitHub (Mar 21, 2018). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/573 ### Basic Infos #### Hardware WiFimanager Branch/Release: Development Esp8266/Esp32: Esp8266 Hardware: ESP-12e Core Version: staging ### Description I attempted to move a project with 25+ parameters to the development version and see that adding parameters with IDs with '_' are no longer accepted. Is this intentional? ### Settings in IDE Module: NodeMcu Additional libraries: ### Sketch ```cpp #include "Arduino.h" #include "WiFiManager.h" void setup() { Serial.begin(115200); Serial.println("creating WiFiManager"); WiFiManager wm; Serial.println("adding parameters"); WiFiManagerParameter ntp_server( "ntp_server", "NTP Server", "0.zoddotcom.pool.ntp.org", 32); wm.addParameter( &ntp_server); WiFiManagerParameter tc1_label("<p>1st Time Change</p>"); wm.addParameter( &tc1_label); WiFiManagerParameter tc1_occurence("tc1_occurrence", "occurrence", "2", 3); wm.addParameter( &tc1_occurence); WiFiManagerParameter tc1_day_of_week("tc1_day_of_week", "Day of Week (Sun=0)", "0", 2); wm.addParameter( &tc1_day_of_week); WiFiManagerParameter tc1_day_offset("tc1_day_offset", "day offset", "0", 3); wm.addParameter( &tc1_day_offset); WiFiManagerParameter tc1_month("tc1_month", "Month (Jan=1)", "3", 3); wm.addParameter( &tc1_month); WiFiManagerParameter tc1_hour("tc1_hour", "Hour (0-23)", "2", 3); wm.addParameter( &tc1_hour); WiFiManagerParameter tc1_offset("tc1_offset", "Time Offset", "-25200", 8); wm.addParameter( &tc1_offset); WiFiManagerParameter tc2_label("<p>2nd Time Change</p>"); wm.addParameter( &tc2_label); WiFiManagerParameter tc2_occurence("tc2_occurrence", "occurrence", "1", 2); wm.addParameter( &tc2_occurence); WiFiManagerParameter tc2_day_of_week("tc2_day_of_week", "Day of Week (Sun=0)", "0", 2); wm.addParameter( &tc2_day_of_week); WiFiManagerParameter tc2_day_offset("tc2_day_offset", "day offset", "0", 3); wm.addParameter( &tc2_day_offset); WiFiManagerParameter tc2_month("tc2_month", "Month (Jan=1)", "11", 3); wm.addParameter( &tc2_month); WiFiManagerParameter tc2_hour("tc2_hour", "Hour (0-23)", "2", 3); wm.addParameter( &tc2_hour); WiFiManagerParameter tc2_offset("tc2_offset", "Time Offset", "-28800", 8); wm.addParameter( &tc2_offset); WiFiManagerParameter advance_label("<p>Advanced Settings!</p>"); wm.addParameter( &advance_label); WiFiManagerParameter no_sleep("stay_awake", "Stay Awake 'true'", "", 8); wm.addParameter( &no_sleep); WiFiManagerParameter sleep_duration("sleep_duration", "Sleep", "3600", 8); wm.addParameter( &sleep_duration); WiFiManagerParameter tp_duration("tp_duration", "Tick Pulse", "32", 8); wm.addParameter( &tp_duration); WiFiManagerParameter tp_duty("tp_duty", "Tick Pulse Duty", "43", 8); wm.addParameter( &tp_duty); WiFiManagerParameter ap_start("ap_start", "Adjust Start Pulse", "34", 4); wm.addParameter( &ap_start); WiFiManagerParameter ap_duration("ap_duration", "Adjust Pulse", "17", 4); wm.addParameter( &ap_duration); WiFiManagerParameter ap_duty("ap_duty", "Adjust Pulse Duty", "45", 8); wm.addParameter( &ap_duty); WiFiManagerParameter ap_delay("ap_delay", "Adjust Delay", "9", 4); wm.addParameter( &ap_delay); WiFiManagerParameter network_logger_host("network_logger_host", "Network Log Host", "", 32); wm.addParameter( &network_logger_host); WiFiManagerParameter network_logger_port("network_logger_port", "Network Log Port", "", 6); wm.addParameter( &network_logger_port); WiFiManagerParameter clear_ntp_persist("clear_ntp_persist", "Clear NTP Persist 'true'", "", 8); wm.addParameter( &clear_ntp_persist); Serial.println("connecting"); wm.autoConnect(); Serial.println("done"); } void loop() { delay(1000); } ``` ### Debug Messages ``` SDK:2.2.1(cfd48f3)/Core:unspecified/lwIP:2.0.3(STABLE-2_0_3_RELEASE/glue:arduino-2.4.1) creating WiFiManager adding parameters *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: Added Parameter: *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: Added Parameter: *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: Added Parameter: *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars *WM: [ERROR] parameter IDs can only contain alpha numeric chars connecting *WM: AutoConnect mode : sta(18:fe:34:cd:a6:24) + softAP(1a:fe:34:cd:a6:24) add if0 *WM: Connecting as wifi client... *WM: No saved credentials, skipping wifi *WM: Connection result: WL_NO_SSID_AVAIL del if0 mode : softAP(1a:fe:34:cd:a6:24) *WM: Disabling STA *WM: Enabling AP *WM: StartAP with SSID: ESP_13477412 *WM: AP has anonymous access! bcn 0 del if1 usl add if1 dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1) bcn 100 *WM: AP IP address: 192.168.4.1 *WM: Starting Web Portal *WM: HTTP server started ```
kerem 2026-02-28 01:25:30 +03:00
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kerem commented 2026-02-28 01:25:30 +03:00
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@tablatronix commented on GitHub (Mar 21, 2018):

let me find a better fix, that is not correct

<!-- gh-comment-id:375053984 --> @tablatronix commented on GitHub (Mar 21, 2018): let me find a better fix, that is not correct
kerem commented 2026-02-28 01:25:30 +03:00
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@woodenplastic commented on GitHub (Jul 4, 2023):

Hi, i have the same problem. I use the newest version and cant give parameter id. i tried everything, including naming it just one letter, always the same.

<!-- gh-comment-id:1620089236 --> @woodenplastic commented on GitHub (Jul 4, 2023): Hi, i have the same problem. I use the newest version and cant give parameter id. i tried everything, including naming it just one letter, always the same.
kerem commented 2026-02-28 01:25:30 +03:00
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@tablatronix commented on GitHub (Jul 4, 2023):

This was a htmlentities encoding issue I think. It was fixed if you are seeing this still create a new issue please

<!-- gh-comment-id:1620640061 --> @tablatronix commented on GitHub (Jul 4, 2023): This was a htmlentities encoding issue I think. It was fixed if you are seeing this still create a new issue please
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