php combine 2 arrays keep duplicates
$arrKeys = array('str', 'str', 'otherStr');
$arrVals = array('1.22', '1.99', '5.17');
function foo($key, $val) {
return array($key=>$val);
}
$arrResult = array_map('foo', $arrKeys, $arrVals);php combine 2 arrays keep duplicates
$arrKeys = array('str', 'str', 'otherStr');
$arrVals = array('1.22', '1.99', '5.17');
function foo($key, $val) {
return array($key=>$val);
}
$arrResult = array_map('foo', $arrKeys, $arrVals);php get duplicate keys in array without using inbuilt function
$arr = array(3,5,2,5,3,9);
foreach($arr as $key => $val){
//remove the item from the array in order
//to prevent printing duplicates twice
unset($arr[$key]);
//now if another copy of this key still exists in the array
//print it since it's a dup
if (in_array($val,$arr)){
echo $val . " ";
}
}Copyright © 2021 Codeinu
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