Przekazanie zmiennej z PHP do JQERY

echo '<img id="lol" src="'.$config.'" />';

<img id="lol" src="http://cos.pl" />

i potem w jQuery go pobrać

 var cos = $('#lol').attr('src');

JQuery - twarda spacja - SIEROTKI (automatycznie)

<script type="text/javascript">
(function($){
    $.fn.removeOrphans = function(){
        if($(this).length > 0) {
            var $html = $(this).html();
            $html = $html.replace(/(\s)([\S])[\s]+/g, "$1$2&nbsp;");
            // stosując wyrażenie regularne, do każdej pojedyńczej litery
            // posiadającej z obu stron spacje, dodajemy encje &nbsp;,
            // czyli popularną "twardą spację"
             $(this).empty().html($html);
        }
    }
})(jQuery);
$(document).ready(function(){
        $('#tresc').removeOrphans();    // <- 1 DIV
        $('#tresc1, #tresc2, #tresc3').removeOrphans();  // <- Wiele DIV
    });
</script>

Jquery - powiększanie zdjęcia po najechaniu (wyjście nad inne elementy) bez wpływu na zawartość strony

DEMO: http://jsfiddle.net/roXon/HmTrw/

<div id="images">
    <img src="http://dummyimage.com/180x120/000/fff" alt="Image 1" title="This is my first image"/>
    <img src="http://dummyimage.com/175x104/f0f/fff" alt="Image 2" title="The second one is pretty"/>
    <img src="http://dummyimage.com/150x100/a3d/fff" alt="Image 3" title="Third image"/>
    <img src="http://dummyimage.com/278x125/cf5/fff" alt="Image 4" title="Fourth image"/>
    <img src="http://dummyimage.com/199x120/e46/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/207x480/361/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/400x107/081/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/50x40/cc3/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/700x500/233/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/300x120/a26/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/341x177/f10/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/164x239/d34/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/200x300/34e/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/175x120/72a/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/210x110/112/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/278x225/644/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/300x120/dc3/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/90x104/b30/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/120x60/bb3/fff" alt="Image alt attr." title="Some image title"/>
    <img src="http://dummyimage.com/140x125/aa3/fff" alt="Image alt attr." title="Some image title"/>
</div>

#images{
    padding:30px;
}
#images img{
    float:left;
    height:100px;
    margin:5px;
    padding:0px;
}
#ibox{
    position:absolute;
    overflow-y:none;
    background:#fff;
    border:1px solid #ccc;
    z-index:1001;
    display:none;
    padding:4px;
    -webkit-box-shadow: 0px 0px 6px 0px #bbb;
    -moz-box-shadow: 0px 0px 6px 0px #bbb;
    box-shadow: 0px 0px 6px 0px #bbb;
}
#ibox img{
    border:1px solid #444;
}
#ibox br{
    clear:both;
}

// ibox image zoomer plugin // roXon

(function($) {
    $.fn.ibox = function() {
       
        // set zoom ratio //
        resize = 20;
        ////////////////////
        var img = this;
        img.parent().append('<div id="ibox" />');
        var ibox = $('#ibox');
        var elX = 0;
        var elY = 0;

        img.each(function() {
            var el = $(this);

            el.mouseenter(function() {
                ibox.html('');
                var elH = el.height();
                elX = el.position().left - 6; // 6 = CSS#ibox padding+border
                elY = el.position().top - 6;
                var h = el.height();
                var w = el.width();
                var wh;
                checkwh = (h < w) ? (wh = (w / h * resize) / 2) : (wh = (w * resize / h) / 2);

                $(this).clone().prependTo(ibox);
                ibox.css({
                    top: elY + 'px',
                    left: elX + 'px'
                });

                ibox.stop().fadeTo(200, 1, function() {
                    $(this).animate({top: '-='+(resize/2), left:'-='+wh},400).children('img').animate({height:'+='+resize},400);
                });
            });

            ibox.mouseleave(function() {
                ibox.html('').hide();
            });
        });
    };
})(jQuery);

$(document).ready(function() {
    $('#images img').ibox();
});

Sortowanie tablicy wielowymiarowej - PHP

    <?php
    //tablica id|arty|data|rev
    $tabArr[0] = Array(2, 'art', '', 6);
    $tabArr[1] = Array(1, 'art', '', 10);
    $tabArr[2] = Array(2, 'art', '', 6);
    $tabArr[3] = Array(1, 'art', '', 44);
    $tabArr[4] = Array(2, 'art', '', 2);
    $tabArr[5] = Array(1, 'art', '', 0);
    $tabArr[6] = Array(2, 'art', '', 6);
    $tabArr[7] = Array(1, 'art', '', 4);
 

    //wyswietlenie tablicy
    foreach($tabArr as $row){
    echo '<br />';
    foreach($row as $wynik)
    echo '|'.$wynik;
    }
 
    //zrobienie pomocniczej tablicy do sortowania
    $i=0;
    foreach($tabArr as $row){
    $i++;
    //nasz rev
    $pomArr[$i] = $row[3];
    }
   
    //sortowanie
    array_multisort($pomArr, SORT_ASC, $tabArr);
    echo '<br />********************<br />';
   
    //wyswietlenie posortowanej tablicy
    foreach($tabArr as $row2){
    echo '<br />';
    foreach($row2 as $wynik2)
    echo '|'.$wynik2;
    }
    ?>

wynik:
    |2|art||6
    |1|art||10
    |2|art||6
    |1|art||44
    |2|art||2
    |1|art||0
    |2|art||6
    |1|art||4
    ********************
    |1|art||0
    |2|art||2
    |1|art||4
    |2|art||6
    |2|art||6
    |2|art||6
    |1|art||10
    |1|art||44