Home > Article > Backend Development > Wrote a function_PHP tutorial
Wrote a function_PHP tutorial
- WBOYOriginal
- 2016-07-20 10:59:40775browse
/**
* Function data_box
* Function: Output the content in the data source according to the template
* Parameter
* $fun callback function, must be provided. Its function is to read data from the data source. The best thing to return is an associative array
* $source data source, must be provided. Can be an array or query result
* $template template, optional. Use standard tables to output data when no template is provided
* Template format:
* array(top=>"",block=>"",fool=>"")
* Among them:
* top beginning part
* The repeatable part of block, the variable is the key of the associative array, in the form of $IN_varname. The leading IN_ can be omitted
* end of fool
*/
function data_box($_fun,$_source,$_template="") {
$_ar = $_fun(&$_source);
if($_template == "") {
while(list($k,) = each($_ar)) {
$th .= "$k";
$td .= "$IN_$k";
}
$_template = array(top=>"$th",block=>"$td",fool=>"
}else if(! preg_match("/$IN_w+/",$_template[block]))
$_template[block] = preg_replace("/[$](w*)/U","$IN_1",$_template[block]);
$buf = eval("return "$_template[top]";");
do {
extract($_ar, EXTR_PREFIX_ALL, "IN");
$buf .= eval("return "$_template[block]";");
}while($_ar = $_fun(&$_source));
$buf .= eval("return "$_template[fool]";");
return $buf;
}
function get_data($source) {
if(list($k,$v) = each($source))
return $v;
return false;
}
$arr = array(
array(a=>1,b=>2,c=>3,11,12,31),
array(a=>11,b=>12,c=>13,11,12,131)
);
echo data_box("get_data",$arr);
echo data_box("get_data",$arr,array(top=>"列表测试
"));