Table of Contents
PHP Code to build an Array of Arrays
....
$container_arr = array();
$arr = array(
'src' => get_stylesheet_directory().'/images/track1/i3.jpg',
'log' => 'Array1:: '.$PHPBufferX,
'warn' => $PHPwarnX,
'error' => $PHPerrorX
);
array_push( $container_arr, (array)$arr );
$arr = array(
'src' => get_stylesheet_directory().'/images/track1/i4.jpg',
'log' => 'Array2:: '.$PHPBufferX,
'warn' => $PHPwarnX,
'error' => $PHPerrorX
);
array_push( $container_arr, (array)$arr );
echo json_encode($container_arr);
error_log('JSON ENCODE ok ...');
die();
JavaScript / JQuery Code to read Arrays
jQuery(document).ready(function()
{
var greeting = jQuery("#greeting3").val();
var trackids = jQuery("#trackids").val();
jQuery("#ajax3-button").click(function()
{
console.log('ajax3-button pressed') ;
jQuery.ajax({
type: 'POST',
url : 'http://localhost/wordpress/wp-admin/admin-ajax.php',
data: { action: 'myAjax2', greeting3: greeting, trackids: trackids },
// dataType: 'html', /* used for JSON Debugging */
dataType: 'json',
success: function(data, textStatus, XMLHttpRequest)
{
console.log("Returing from AJAX request - Adding greetings to Div: #divp4 ");
$.each(data, function(index, obj)
{
jQuery("#divp4").append('<p><b>Array Index: '+ (index+1) + '</p>');
jQuery("#divp4").append('<p><b>Image SRC : </b>' + obj.src +'</p>');
jQuery("#divp4").append('<p><b>PHP LOG : </b>' + obj.log +'</p>');
jQuery("#divp4").append('<p><b>Warnings : </b>' + obj.warn +'</p>');
jQuery("#divp4").append('<p><b>Errors : </b>' + data.error +'</p>');
});
// jQuery("#divp4").append('<p>'+ data + '</p>'); /* used for JSON Debugging */
},
error: function(XMLHttpRequest, textStatus, errorThrown)
{ alert(errorThrown); }
});
var ih = '<p>AJAX3 button presesed : AJAX request in progress ! - Trackids: ' + trackids +' </p>' ;
document.getElementById("divp3").innerHTML = ih;
console.log('Leaving ajax3-button Ajax action');
});
});
Output:
Array Index: 1 Image SRC : D:\xampp\htdocs\wordpress/wp-content/themes/twentyfifteen-child/images/track1/i3.jpg PHP LOG : Array1:: Greeting from AJAX request 3:: - CWD: : D:\xampp\htdocs\wordpress\wp-admin Warnings : null Errors : undefined Array Index: 2 Image SRC : D:\xampp\htdocs\wordpress/wp-content/themes/twentyfifteen-child/images/track1/i4.jpg PHP LOG : Array2:: Greeting from AJAX request 3:: - CWD: : D:\xampp\htdocs\wordpress\wp-admin Warnings : null Errors : undefined
PHP Error Log
- The array output was triggered by a print_r PHP comand
- The Output was deleted by running ob_end_clean() before running: echo json_encode($container_arr);
[04-Dec-2015 16:09:39 UTC] myAjax2() [04-Dec-2015 16:09:39 UTC] ajaxWrapper():: ob_start with CallBack Function [04-Dec-2015 16:09:39 UTC] PHP Parse DUMP:: [04-Dec-2015 16:09:39 UTC] JSON ENCODE ... [04-Dec-2015 16:09:39 UTC] myObCallback() active :: Cleaning Current PHP Buffer:: Array ( [0] => Array ( [src] => D:\xampp\htdocs\wordpress/wp-content/themes/twentyfifteen-child/images/track1/i3.jpg [log] => Array1:: Greeting from AJAX request 3:: - CWD: D:\xampp\htdocs\wordpress\wp-admin</ [warn] => [error] => ) [1] => Array ( [src] => D:\xampp\htdocs\wordpress/wp-content/themes/twentyfifteen-child/images/track1/i4.jpg [log] => Array2:: Greeting from AJAX request 3:: - CWD: : D:\xampp\htdocs\wordpress\wp-admin</ [warn] => [error] => ) ) [04-Dec-2015 16:09:39 UTC] JSON ENCODE ok - Now Dying ... [04-Dec-2015 16:09:39 UTC] -------------- [SHUTDOWNHANDLER]:: Start ----------------------- [04-Dec-2015 16:09:39 UTC] [logLastError]:: No errors/Warnings found in this PHP Page [04-Dec-2015 16:09:39 UTC] -------------- [xx SHUTDOWNHANDLER]:: Leaving: -----------------------
Reference