- print_r: documentation ( source)
- array_unique: documentation ( source)
- array_fill: documentation ( source)
- strtolower: documentation ( source)
<?php
function arrayReplace($a1, $a2) {
foreach($a2 as $k=>$v) {
$a1[$k]=$v;
}
return $a1;
}
function arrayDiffFull() {
$numArrays=func_num_args();
$totalA=array();
$returnA=array();
$arg_list = func_get_args();
foreach($arg_list as $i=>$eachArray) {
foreach($eachArray as $k=>$value) {
$totalA[$k][$i]=strtolower($value);
}
}
foreach($totalA as $k=>$eachKArray) {
if ( count($eachKArray)!=$numArrays || count(array_unique($eachKArray))!=1 ) {
$returnA[$k]=arrayReplace( array_fill(0,$numArrays,''), $eachKArray );
}
}
return $returnA;
}
$a1 = array(0 => 1, 1 => "b", 3 => "carrot");
$a2 = array(1 => "b", 2 => "d", 3 => "carrot");
print_r(arrayDiffFull($a1, $a2));