Returns the key for needle if it is found in the array, false otherwise. If needle is found in haystack more than once, the first matching key is returned. To ...

Array_search · In_array · Array_values · Array_keys

Arrays ¶. An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; ...

If you're creating an array yourself and then using in_array to search it, consider setting the keys of the array and using isset instead since it's much faster ...

Array_search · In_array · Key_exists

The following example demonstrates how to create a two-dimensional array, how to specify keys for associative arrays, and how to skip-and-continue numeric ...

Jul 12, 2011 · It generates a 500k-member array of arrays and searches through it for a value in the last member. I compared a function like the accepted ...

A simple trick that can help you to guess what diff/intersect or sort function does by name. [suffix] assoc - additional index check. Compares both value and ...

Array_change_key_case · Array_chunk · Array_count_values · Array_is_list

Feb 8, 2012 · So, for example, if my search terms were "cat videos" my $results_array[0] might be a Youtube URL, and $results_array1 might be on Vimeo. I've ...