PHP several common examples of getting empty, grouping, and debugging array functions _ PHP Tutorial

PHP is commonly used to remove null, group, and debug array functions. Dump () uses arrays in array format to debug functiondump ($ vars, $ label, $ returnfalse) {if (ini_get (html_errors) {$ contentpre; if ($ label !) {$ Content.

Dump () uses arrays in array format for debugging.

Function dump ($ vars, $ label =, $ return = false ){
If (ini_get (html_errors )){
$ Content ="

";
        if ($label != ) {
            $content .= "{$label} :";
        }
        $content .= htmlspecialchars(print_r($vars, true));
        $content .= "

";
} Else {
$ Content = $ label. ":". print_r ($ vars, true );
}
If ($ return) {return $ content ;}
Echo $ content;
Return null;
}

Array_remove_empty () removes null elements from the array.

Function array_remove_empty (& $ arr, $ trim = true ){
Foreach ($ arr as $ key => $ value ){
If (is_array ($ value )){
Array_remove_empty ($ arr [$ key]);
} Else {
$ Value = trim ($ value );
If ($ value = ){
Unset ($ arr [$ key]);
} Elseif ($ trim ){
$ Arr [$ key] = $ value;
}
}
}
}

Array_chunk () php default function is to divide the function evenly

Http://www.bkjia.com/PHPjc/486562.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/486562.htmlTechArticledump () puts arrays in array format, which is useful for debugging function dump ($ vars, $ label =, $ return = false) {if (ini_get (html_errors )) {$ content = "pre"; if ($ label! =) {$ Content ....