Aries‘s的部落

gt /Greater than/大于/<!--[if gt IE 5.5]> 



gte /Greater than or equal to/大于等于/<!--[if gte IE 5.5]> 



lt /Less than/小于/<!--[if lt IE 5.5]> 



lte /Less than or equal to/小于等于/<!--[if lte IE 5.5]> 



! /Note/不等于/<!--[if !IE 5.5]> 

<!--[if !IE]><!-->

您使用不是 Internet Explorer

<!--<![endif]-->

<!--[if IE 6]><!-->

您正在使用Internet Explorer version 6

或者 一个非IE 浏览器

<!--<![endif]-->

<!--[if IE6.0]] 

<style type="text/css"> 

div#box{width:500px;margin:10px; padding:10px; border:10px;} 

</style> 

<![endif]--> 

<!--[if lt IE6.0]] 

<style type="text/css"> 

div#box{width:530px;margin:10px; padding:10px; border:10px;} 

</style>

<![endif]--> 

<?php

$a = 0;

function iterate() {

    global $a;

    if( $a < 10 )

    recur();

    echo $a . “, “;

}



function recur() {

    global $a;

    $a++;



    // how did I get here?

    echo “





”;

    debug_print_backtrace();



    if( $a < 10 )

        iterate();



}



iterate();



# OUTPUT:



#0  recur() called at [C:htdocsphp_stuffindex.php:8]

#1  iterate() called at [C:htdocsphp_stuffindex.php:25]



#0  recur() called at [C:htdocsphp_stuffindex.php:8]

#1  iterate() called at [C:htdocsphp_stuffindex.php:21]

#2  recur() called at [C:htdocsphp_stuffindex.php:8]

#3  iterate() called at [C:htdocsphp_stuffindex.php:25]



#0  recur() called at [C:htdocsphp_stuffindex.php:8]

#1  iterate() called at [C:htdocsphp_stuffindex.php:21]

#2  recur() called at [C:htdocsphp_stuffindex.php:8]

#3  iterate() called at [C:htdocsphp_stuffindex.php:21]

#4  recur() called at [C:htdocsphp_stuffindex.php:8]

#5  iterate() called at [C:htdocsphp_stuffindex.php:25]

?>