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update example php

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issue #110
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Josh de Leeuw 2015-02-18 11:22:43 -05:00
parent 37c7966d9c
commit 22748866b3
1 changed files with 31 additions and 51 deletions
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44
docs/markdown_docs/features/data.md
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@ -56,23 +56,15 @@ There are dozens of database options. MySQL is one of the most popular [relation
### Step 1 ### Step 1
To communicate with a MySQL database, you will need a server-side script, such as a PHP script. The following script should work for all jsPsych data. Copy the code below into a PHP file and give it an appropriate name (e.g. savedata.php). Put the PHP file on your server in a convenient location. To communicate with a MySQL database, you will need a server-side script, such as a PHP script. The following script should work for all jsPsych data. Copy the code below into a PHP file and give it an appropriate name (e.g. savedata.php). Put the PHP file on your server in a convenient location. **This script will only work with jsPsych version 4.0 and later.**
```php ```php
<?php <?php
// Submit Data to mySQL database // Submit Data to mySQL database
// Josh de Leeuw, August 2012 // Josh de Leeuw
// Usage: // Edit this line to include your database connection script
// You need to POST the following variables to the script (e.g. using jQuery.ajax)
// "table": name of the mysql table to insert data into
// "json": json-encoded object that contains the data
// "opt_data": an associative array of additional variables to write into each row (e.g. subject ID)
//
//
//
// EDIT THE FIRST LINE OF CODE BELOW TO CONNECT TO YOUR DATABASE
// //
// The script you link should contain the following two lines: // The script you link should contain the following two lines:
// //
@ -94,42 +86,30 @@ function mysql_insert($table, $inserts) {
$tab = $_POST['table']; $tab = $_POST['table'];
// decode the data object from json // decode the data object from json
$trials_obj = json_decode($_POST['json']); $trials = json_decode($_POST['json']);
// get the optional data (decode as array) // get the optional data (decode as array)
$opt_data = json_decode($_POST['opt_data'], true); $opt_data = json_decode($_POST['opt_data'], true);
$opt_data_names = array_keys($opt_data); $opt_data_names = array_keys($opt_data);
// go through each element of the trials object to see if there is data
// (some plugins may not have data associated with them)
$trials = $trials_obj[0];
for($i=1; $i<count($trials_obj); $i++)
{
if(count($trials_obj[$i])>0){
// if there is data, merge that data into the $trials array
$trials = array_merge($trials, $trials_obj[$i]);
}
}
// this outputs the trials array as a string. Useful for debugging in the JavaScript console.
var_dump($trials); var_dump($trials);
// for each element in the trials array, insert the row into the mysql table // for each element in the trials array, insert the row into the mysql table
for($i=0;$i<count($trials);$i++) for($i=0;$i<count($trials);$i++)
{ {
$to_insert = (array)($trials[$i]); $to_insert = (array)($trials[$i]);
// add any optional, static parameters that got passed in (like subject id or condition) // add any optional, static parameters that got passed in (like subject id or condition)
for($j=0;$j<count($opt_data_names);$j++){ for($j=0;$j<count($opt_data_names);$j++){
$to_insert[$opt_data_names[$j]] = $opt_data[$opt_data_names[$j]]; $to_insert[$opt_data_names[$j]] = $opt_data[$opt_data_names[$j]];
} }
$result = mysql_insert($tab, $to_insert); $result = mysql_insert($tab, $to_insert);
} }
// confirm the results // confirm the results
if (!$result) { if (!$result) {
die('Invalid query: ' . mysql_error()); die('Invalid query: ' . mysql_error());
} else { } else {
print "successful insert!"; print "successful insert!";
} }
?> ?>