mysqli_stmt::bind_param() not recognize new elelemt [duplicate] - php

Question

So I have this massive headache inducing query that I need to perform involving 65 form inputs needing to be injected into a database using mysqli prepared statements.
The issue I'm running into is that it says the # of variables I am attempting to call bind_param on does not match the # of "s"'s that I am using. I counted a dozen times and do not see where I am going wrong here. There are 65 variables, and 65 "s"'s.
Can anyone see something I'm missing? Or am I perhaps using the bind_param method in an incorrect manner?
// Preparing our query statement via mysqli which will auto-escape all bad characters to prevent injection
$query3 = 'INSERT INTO datashep_AMS.COMPLETE_APPLICATIONS (
project_name,
status,
funding_requested,
project_title,
program,
county,
parish,
name_of_watercourse,
which_is_a_tributary_of,
name_of_applicant,
contact_person_or_project_supervisor,
relationship_to_organization,
business_phone,
home_phone,
email,
signature_of_thesis_or_study_supervisor,
mailing_address,
postal_code,
website,
mailing_address_for_payment,
hst_registration_no,
total_cost_dollar,
total_cost_percent,
dollar_amount_requested_from_nbwtf,
percent_amount_requested_from_nbwtf,
descriptive_summary,
background_of_organization,
mandate,
years_in_existence,
membership,
accomplishments,
previous_project_name,
previous_project_number,
previous_project_amount_received_from_nbwtf,
summary_of_activities,
summary_of_Results,
project_title_2,
reason_and_or_purpose,
objectives,
project_description,
methods,
equipment_and_materials_required,
personnel_required,
proposed_start_date,
proposed_end_date,
type_of_data_to_be_stored,
where_will_it_be_housed,
monitoring,
short_term_achievement,
long_term_achievement,
previous_studies,
required_permits,
consultants,
short_term_commitment,
long_term_commitment,
project_duration,
project_evaluation,
promotion_of_project,
promotion_of_client,
publication_of_results,
community_benefits,
effects_on_traditional_uses,
possible_changes_in_public_access_to_areas,
possible_impact_on_wildlife_and_or_environment,
likelihood_of_future_requests_for_funding,
list_all_other_funding_sources_for_this_project
) VALUES (
?,
?,
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)';
// "Preparing" the query using mysqli->prepare(query) -- which is the equivalent of mysql_real_escape_string -- in other words, it's the SAFE database injection method
$stmt = $dbConnection->prepare($query3);
// "Bind_param" == replace all the "?"'s in the aforementioned query with the variables below
$stmt->bind_param("s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s", $project_name, $status, $funding_requested, $project_title, $program, $county, $parish, $name_of_watercourse, $which_is_a_tributary_of, $name_of_applicant, $contact_person_or_project_supervisor, $relationship_to_organization, $business_phone, $home_phone, $email, $signature_of_thesis_or_study_supervisor, $mailing_address, $postal_code, $website, $mailing_address_for_payment, $hst_registration_no, $total_cost_dollar, $total_cost_percent, $dollar_amount_requested_from_nbwtf, $percent_amount_requested_from_nbwtf, $descriptive_summary, $background_of_organization, $mandate, $years_in_existence, $membership, $accomplishments, $previous_project_name, $previous_project_number, $previous_project_amount_received_from_nbwtf, $summary_of_activities, $summary_of_Results, $project_title_2, $reason_and_or_purpose, $objectives, $project_description, $methods, $equipment_and_materials_required, $personnel_required, $proposed_start_date, $proposed_end_date, $type_of_data_to_be_stored, $where_will_it_be_housed, $monitoring, $short_term_commitment, $long_term_achievement, $previous_studies, $required_permits, $consultants, $short_term_commitment, $long_term_commitment, $project_duration, $project_evaluation, $promotion_of_project, $promotion_of_client, $publication_of_results, $community_benefits, $effects_on_traditional_uses, $possible_changes_in_public_access_to_areas, $possible_impact_on_wildlife_and_or_environment, $likelihood_of_future_requests_for_funding, $list_all_other_funding_sources_for_this_project);
// Perform the actual query!
$stmt->execute();

Answer 1

The number of characters in the type definition string must be equal to the number of placeholders (? marks) in the SQL query.
// three ? marks
$stmt->prepare("INSERT INTO table (one, two, three) VALUES (?,?,?)");
$stmt->bind_param("sss", $one, $two, $three);
// three s characters (and three variables as well)
Note that characters in the type definition string should not be separated by commas.
You can see this format demonstrated in the examples on the manual page.

Answer 2

there are 65 string params so if there are 65 s's you have the correct number. However the errors are appearing because you separated the s's by commas. Instead of $stmt->bind_param("s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s..."
it should be
$stmt->bind_param("sssssssssssssssss..."
This should solve your errors.

Answer 3

The character in the bind_param should not be separated by a comma.
If you have to bind two variables do this:
$stmt->bind_param('ss', $firstvariable, $secondvariable);