I am trying to insert a string through a variable into a custom field.
$contact->custom_fields = array(array('name' => 'CustomField1', 'value' => $_POST['type_of_book']));
The code below:
$contact->custom_fields = array(array('name' => 'CustomField1', 'value' => $foo));
Results in the following error msg.
[error_key] => json.type.invalid [error_message] => #/custom_fields/0/value: Value is of a disallowed type. Allowed types are: Null, String.
I need the variable because the it will contain multiple values from an imploded checkbox array.
Please advise why this generates an error?
What is the value of $foo? If it is a boolean (true/false), PHP will serialize that to a boolean JSON value which is not valid for that field. You would need to pass in a string value for true/false if you wanted to store that in the custom field.
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