<?php
/* Build the array */
$result = [];
for($i=0;$i<4;$i++){
$result[] = [
'id' => $i + 1,
'title' => 'task '.($i + 1),
'tech_user_id' => 1,
'dev_priority' => $i + 1
];
}
/* Build the array ends */
function reArrange(&$result,$id,$new_dev_priority){
$curr_index = array_search($id,array_column($result,"id"),true);
$limit_index = array_search($new_dev_priority,array_column($result,"dev_priority"),true);
$process_node = $result[$curr_index];
$curr_dev_priority = $process_node['dev_priority'];
if($curr_dev_priority === $new_dev_priority) return; // return if same priority was assigned.
$offset = $curr_dev_priority > $new_dev_priority ? -1 : 1;
/* rearrange by relocating elements to a new location(this is a minimized push) */
while($curr_index != $limit_index){
$result[$curr_index] = $result[$curr_index + $offset];
$result[$curr_index]['dev_priority'] = $result[$curr_index]['dev_priority'] - $offset;
$curr_index += $offset;
}
$process_node['dev_priority'] = $new_dev_priority; // assign new dev priority
$result[$curr_index] = $process_node;
}
echo "Initial state:##########",PHP_EOL;
print_r($result);
reArrange($result,3,1);
echo "Rearranged state:##########",PHP_EOL;
print_r($result);
preferences:
15.85 ms | 402 KiB | 5 Q