php check if associative array
// return true if array is associative
function checkAssoc($array) {
$nonAssociative = count(array_filter(array_keys($array), 'is_string')) === 0;
if ($nonAssociative) {
return false;
} else {
return true;
}
}
// Example
$array = ["el1" => 1, "el2" => 2, "el3" => 3];
checkAssoc($array);
// bool(true)keys of array exist in array
function findKey($array, $keySearch)
{
foreach ($array as $key => $item) {
if ($key == $keySearch) {
echo 'yes, it exists';
return true;
} elseif (is_array($item) && findKey($item, $keySearch)) {
return true;
}
}
return false;
}check array has keys in php
<?php
// The values in this arrays contains the names of the indexes (keys)
// that should exist in the data array
$required = array('key1', 'key2', 'key3');
$data = array(
'key1' => 10,
'key2' => 20,
'key3' => 30,
'key4' => 40,
);
if (count(array_intersect_key(array_flip($required), $data)) === count($required)) {
// All required keys exist!
}Copyright © 2021 Codeinu
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