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[SOLVED] Dynamic text boxes + PHP


simcityfreak4

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This is the code I use to add dynamic text boxes:

 

<script>
var arrInput = new Array(0);
  var arrInputValue = new Array(0);

function addInput() {
  arrInput.push(arrInput.length);
  arrInputValue.push("");
  display();
}

function display() {
  document.getElementById('parah').innerHTML="";
  for (intI=0;intI<arrInput.length;intI++) {
    document.getElementById('parah').innerHTML+=createInput(arrInput[intI], arrInputValue[intI]);
  }
}

function saveValue(intId,strValue) {
  arrInputValue[intId]=strValue;
}  

function createInput(id,value) {
  return "<input type='text' id='test "+ id +"' onChange='javascript:saveValue("+ id +",this.value)' value='"+ value +"'><br /><br />";
}

function deleteInput() {
  if (arrInput.length > 0) { 
     arrInput.pop(); 
     arrInputValue.pop();
  }
  display(); 
}
</script>

 

How can I get the results of all the text boxes the user adds and store them in MySQL?

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You'd have to name the fields, let's say for arguments sake "input[]".  The reason you add [] on to the end is that you will create an array.  Take this example:

 

<?php

if(isset($_POST['submit'])) {

print_r($_POST['field']);

}

?>

<form action="form.php" method="post">

<input type="text" name="field[]" value="test1">
<input type="text" name="field[]" value="test2">

<input type="submit" name="submit">

</form>

 

You could loop through the array if you wanted but I just wanted to show the values of it quickly.  Once they submit the form or click a "Save" button, you could then post the form and use PHP to go through the array and insert the data to a table :)  Or do whatever you want with it.

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