Führen Sie eine AJAX-Anforderung aus, nachdem eine andere AJAX-Anforderung beendet wurde

Eine JS-Dateiführteinen Ajax-Aufruf durch. Innerhalb des Erfolgs dieses Ajax-Aufrufs wirdein weiterer AJAX-Aufrufgetätigt. Der zweite Anrufprüft,ob die E-Mailbereits registriert wurde. Wenn dies der Fall war,erhält der zweite AJAX-Aufruf keine zurückgegebenen Daten,wiein Firebug und Chrome Consolein diesem Fallgezeigt. Dergleiche Codefunktioniertjedochin localhosteinwandfrei,während daserwähnte Problem NUR auf dem Online-Server auftritt.

Diegehostete Seitebefindet sich unter http://twmobilefitness.com/signup/. Das Problemtritt auf,wenn Sie am Ende auf den Link 'Jetzt registrieren' klicken. Siemüssen sich zweimalmit derselben E-Mail-Adresse registrieren,wenn das Problem auftreten soll.

JS:

 $.ajax( {
    url : base_url+"/wp-admin/admin-ajax.php",
    type : 'GET',
    cache : false,
    data : 'action=check_user_name&'
           + Math.floor( ( Math.random() * 100 ) +1 )
           + '&user_name='+user_name,
    success : function( result ) {
        if ( parseInt( result ) == 0 ) {
            $( ".result" ).html( '<span class="error">User name not available </span>' );
        } else if ( parseInt( result ) == 1 ) {
            $.ajax( {
                url : base_url 
                    + "/wp-admin/admin-ajax.php",
                type : 'GET',
                cache : false,
                data : 'action=check_email_used&'
                    + Math.floor( ( Math.random() *100 ) +1 )
                    + '&email=' + email,
                success : function( result_email ) {
                    if ( parseInt( result_email ) == 0 ) {
                        $( ".result" ).html( '<span class="error">Email already used </span>' );
                    } else if ( parseInt( result_email ) == 1 ) {
                        $( ".result" ).html( '' );      
                        $( ".signup_div" ).hide();
                        $( ".signup_emergency_contact" ).show();
                    }
                }
            } );
        }
    }   
} );    
 

functions.php hat

 add_action('wp_ajax_check_user_name','check_user_name');
add_action('wp_ajax_nopriv_check_user_name','check_user_name');

add_action( 'wp_ajax_check_email_used','check_email_used' );
add_action( 'wp_ajax_nopriv_check_email_used','check_email_used' );
function check_user_name() {
    global $wpdb;

    $user_name = trim( $_GET['user_name'] );
    $MobTraining = new MobTraining();
    $table =trim( "{$wpdb->prefix}users" );
    $array_where['user_login'] = $user_name;
    $sql_fetch = $MobTraining->fetch( $table, $array_where );
    $row = $wpdb->get_results( $sql_fetch, ARRAY_A );
    if ( sizeof( $row ) != 0 ) {
        echo '0';
    } else {
        echo '1';
    }
    die();
}

function check_email_used() {
    global $wpdb;

    $email = trim( $_GET['email'] );
    $MobTraining = new MobTraining();
    $table = trim( "{$wpdb->prefix}users" );
    $array_where['user_email'] = $email;
    $sql_fetch = "SELECT * FROM $table WHERE `user_email`='$email'";
    $row = $wpdb->get_results( $sql_fetch, ARRAY_A );
    if ( sizeof( $row ) != 0 ) {
        echo '0';
    } else {
        echo '1';
    }
    die();
}
 

Wiefunktioniert der Code auf dem Online-Server?

One JS file is making an ajax call. Within the success of this ajax call another AJAX call is made. The second call checks whether the email has already been registered. If it has been then the second AJAX call recieves no returned data as shown in firebug and Chrome console in the case. But the same code works just fine in localhost while the mentioned problem takes place ONLY in online server.

The hosted page is at http://twmobilefitness.com/signup/. The problem takes place when you click on the 'Register Now' link at the end. You have to register twice with the same email address if you want to get the problem happen.

JS:

$.ajax( {
    url : base_url+"/wp-admin/admin-ajax.php",
    type : 'GET',
    cache : false,
    data : 'action=check_user_name&'
           + Math.floor( ( Math.random() * 100 ) +1 )
           + '&user_name='+user_name,
    success : function( result ) {
        if ( parseInt( result ) == 0 ) {
            $( ".result" ).html( '<span class="error">User name not available </span>' );
        } else if ( parseInt( result ) == 1 ) {
            $.ajax( {
                url : base_url 
                    + "/wp-admin/admin-ajax.php",
                type : 'GET',
                cache : false,
                data : 'action=check_email_used&'
                    + Math.floor( ( Math.random() *100 ) +1 )
                    + '&email=' + email,
                success : function( result_email ) {
                    if ( parseInt( result_email ) == 0 ) {
                        $( ".result" ).html( '<span class="error">Email already used </span>' );
                    } else if ( parseInt( result_email ) == 1 ) {
                        $( ".result" ).html( '' );      
                        $( ".signup_div" ).hide();
                        $( ".signup_emergency_contact" ).show();
                    }
                }
            } );
        }
    }   
} );    

functions.php has

add_action('wp_ajax_check_user_name','check_user_name');
add_action('wp_ajax_nopriv_check_user_name','check_user_name');

add_action( 'wp_ajax_check_email_used','check_email_used' );
add_action( 'wp_ajax_nopriv_check_email_used','check_email_used' );
function check_user_name() {
    global $wpdb;

    $user_name = trim( $_GET['user_name'] );
    $MobTraining = new MobTraining();
    $table =trim( "{$wpdb->prefix}users" );
    $array_where['user_login'] = $user_name;
    $sql_fetch = $MobTraining->fetch( $table, $array_where );
    $row = $wpdb->get_results( $sql_fetch, ARRAY_A );
    if ( sizeof( $row ) != 0 ) {
        echo '0';
    } else {
        echo '1';
    }
    die();
}

function check_email_used() {
    global $wpdb;

    $email = trim( $_GET['email'] );
    $MobTraining = new MobTraining();
    $table = trim( "{$wpdb->prefix}users" );
    $array_where['user_email'] = $email;
    $sql_fetch = "SELECT * FROM $table WHERE `user_email`='$email'";
    $row = $wpdb->get_results( $sql_fetch, ARRAY_A );
    if ( sizeof( $row ) != 0 ) {
        echo '0';
    } else {
        echo '1';
    }
    die();
}

How to make the code work in online server ?