Find a key => value in multidimensional array but return parent key?
26131
PHP multidimensional array search by value
89993
comparing arrays in php, without caring for the order
96216
Using "find" non-recursively?
89476
PDO fetchAll group key-value pairs into assoc array
117426
How to find array / dictionary value using key?
54235
Converting multidimensional arrays to pointers in c++
7403
How to access and manipulate multi-dimensional array by key names / path?
127740
How to get a key in a JavaScript object by its value?
61752
What's the difference between isset() and array_key_exists()?
26815
In PHP, how do you change the key of an array element?
28744
PHP Constants Containing Arrays?
1073
Smarty: How to reference to the associative array index
57540
Sorting a multidimensional array in PHP?
143483
Convert multidimensional array into single array
5662
How to remove duplicate values from a multi-dimensional array in PHP
137138
How to check if an array element exists?
22134
Recursive function to generate multidimensional array from database result