Category "arrays"

"Notice: Undefined variable", "Notice: Undefined index", "Warning: Undefined array key", and "Notice: Undefined offset" using PHP

57 snippets

PHP's array_map including keys

36 snippets

How can I access an array/object?

36 snippets

Zig-zag scan an N x N array

26 snippets

Check if string contains a value in array [duplicate]

17 snippets

Implode columnar values between two arrays into a flat array of concatenated strings

12 snippets

What is PHP's equivalent of JavaScript's "array.every()"?

11 snippets

Sum column values from multiple arrays

11 snippets

PHP array_filter with arguments

10 snippets

How to average columns of data from multiple, flat arrays?

9 snippets

Split a string array into pieces

8 snippets

Search for array row with specific column value and return another value from qualifying row

8 snippets

Comma separated list from array with "and" before last element

8 snippets

Check If array is null or not in php

8 snippets

PHP if in_array() how to get the key as well?

8 snippets

PHP-Sort array based on another array?

8 snippets

Convert every two values of an associative array into key-value pairs

8 snippets

PHP array sort and remove duplicates by two field values

7 snippets

Printing more than one array using print_r or any other function in php

7 snippets

Implode array with array of glue strings

7 snippets