Created
February 4, 2014 14:47
-
-
Save franz-josef-kaiser/8804885 to your computer and use it in GitHub Desktop.
WordPress plugin to test which kinds of callbacks work for AJAX: namespaced, closures, class based, static vs. non static, etc.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
namespace WCM\Tests; | |
/** | |
* Plugin Name: Ajax Namespace Callback Test | |
*/ | |
/** | |
* MarkUp | |
*/ | |
add_action( 'admin_notices', function() | |
{ | |
echo <<<EOF | |
<form method="get" action="wcmtest"> | |
<label for="ajax-test" class="howto">AJAX Test Input - watch your console<br> | |
<input type="text" name="ajax-test" id="ajax-test" /> | |
</label> | |
</form> | |
EOF; | |
} ); | |
/** | |
* Script/AJAX send/receive | |
*/ | |
add_action( 'admin_print_footer_scripts', function() { | |
?> | |
<script type="text/javascript"> | |
( function( $ ) { | |
"use strict"; | |
$( '#ajax-test' ).on( 'keyup', function( event ) { | |
var $this = $( this ); | |
console.log( $this.val() ); | |
$.ajax( { | |
url : ajaxurl, | |
data : { | |
action : "wcmtest_action", | |
//_ajax_nonce : <?php wp_create_nonce( "wcmtest_action" ); ?>, | |
value : $this.val() | |
}, | |
beforeSend : function( d ) { | |
console.log( "before send", d ); | |
} | |
} ) | |
.done( function( response, textStatus, jqXHR ) { | |
console.log( response ); | |
} ) | |
.fail( function( jqXHR, textStatus, errorThrown ) { | |
console.log( jqXHR, textStatus, errorThrown ); | |
} ); | |
} ) | |
.delay( 500 ); | |
} )( jQuery || {} ); | |
</script> | |
<?php | |
}, 100 ); | |
# ############ Different methods of registering a callback | |
# Closure: works | |
/*add_action( 'wp_ajax_wcmtest_action', function( $data ) | |
{ | |
// Value: WCM\Tests\{closure} | |
$data['function'] = __FUNCTION__; | |
wp_send_json_success( $data ); | |
} );*/ | |
# Namespaced function - hard coded: works | |
# add_action( 'wp_ajax_wcmtest_action', '\WCM\Tests\AjaxTestCbNamspacedHardcoded' ); | |
function AjaxTestCbNamspacedHardcoded( $data ) | |
{ | |
$data['function'] = __FUNCTION__; | |
wp_send_json_success( $data ); | |
} | |
# Namespaced, but not hard coded: works | |
# add_action( 'wp_ajax_wcmtest_action', __NAMESPACE__.'\AjaxTestCbNamespaced' ); | |
function AjaxTestCbNamespaced( $data ) | |
{ | |
$data['function'] = __FUNCTION__; | |
wp_send_json_success( $data ); | |
} | |
# Plain function, no namespace: works | |
# add_action( 'wp_ajax_wcmtest_action', 'AjaxTestCbPlain' ); | |
function AjaxTestCbPlain( $data ) | |
{ | |
$data['function'] = __FUNCTION__; | |
wp_send_json_success( $data ); | |
} | |
# Class based | |
add_action( 'plugins_loaded', function() { | |
new Foo; | |
} ); | |
class Foo | |
{ | |
public function __construct() | |
{ | |
# normal: works | |
#add_action( 'wp_ajax_wcmtest_action', array( $this, 'AjaxTestCbPlain' ) ); | |
# static: works | |
#add_action( 'wp_ajax_wcmtest_action', array( __CLASS__, 'AjaxTestCbStatic' ) ); | |
} | |
public function AjaxTestCbPlain( $data ) | |
{ | |
// Value: WCM\Tests\Foo::AjaxTestCbPlain | |
$data['function'] = __METHOD__; | |
wp_send_json_success( $data ); | |
} | |
public static function AjaxTestCbStatic( $data ) | |
{ | |
// Value: WCM\Tests\Foo::AjaxTestCbStatic | |
$data['function'] = __METHOD__; | |
wp_send_json_success( $data ); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment