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POPass array with ajax and php
 

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    <p>I need to add a class to some elements based on the time without page reload</p> <p>I am creating this array when the page loads. I have a start time, an end time and an identifier.</p> <pre><code>$hrs = array( array("2013-07-27 21:00", "2013-07-27 22:00", "one"), array("2013-07-27 22:00", "2013-07-27 23:00", "two"), array("2013-07-27 23:00", "2013-07-28 00:00", "three"), ); </code></pre> <p>Then I get the current time and grab the identifier from the array. I tried running this script in a separate file time.php using <code>setInterval</code> but I can't pass <code>$hrs</code>.</p> <pre><code>&lt;ul&gt; &lt;li class="one"&gt;1&lt;/li&gt; &lt;li class="two"&gt;2&lt;/li&gt; &lt;li class="three"&gt;3&lt;/li&gt; &lt;/ul&gt; var className = "&lt;?php echo $class_name"; ?&gt; $(className).addClass("red"); </code></pre> <p>what is the proper way of running this so I won't need to refresh the page? I did something like this but it alerts error:</p> <p><em><strong></em>* Working code below <em>*</em>***</strong></p> <pre><code>&lt;script&gt; var hrs = '&lt;?php echo json_encode($hrs); ?&gt;'; //get active class from time.php $.ajax({ url : 'http://domain.com/time.php', type : 'POST', data : { val : hrs }, dataType : 'json', success : function (result) { className = result['current_class']; }, error : function () { alert("error"); } }) &lt;/script&gt; </code></pre> <p>time.php</p> <pre><code> $hrs = json_decode($_POST['val']); date_default_timezone_set('Europe/Bucharest'); $date = date('Y/m/d H:i'); $test = strtotime($date); $now = date("Y-m-d H:i", $test); $class_name = ""; foreach ($_POST['val'] as $h) { if ($h[0] &lt;= $now and $now &lt;= $h[1]) { $class_name = $h[2];fa break; } } $class = array( 'current_class' =&gt; ( $class_name ), ); echo json_encode($class); </code></pre>
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      1. VTUpMod
    1. CONeither language understands each other array types. Convert your text to JSON format. PHP send: json_encode( array );. PHP receive: json_decode( str ); JavaScript send: JSON_stringify( array ); and JavaScript recieve: JSON_parse( str );.
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      1. USjeff
    2. COAlso the time.php should be on same domain as the ajax call.. otherwise use JSONP.
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      1. USreyaner
    3. COIt's on the same domain.
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      1. USCiprian
 

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