How to get all keys from a array that start with a certain string?

How to get all keys from a array that start with a certain string?

php arrays array-filter

php

Use external variable in array_filter

php scope array-filter

php

Remove NULL, FALSE, and '' - but not 0 - from a PHP array

php arrays array-filter

php

How can I create an array from the values of another array's key?

php array-filter

php

PHP array_filter, how to get the key in callback?

php arrays callback array-filter

php

How to slice an array by key, not offset?

php arrays slice offset array-filter

php

Array_filter in the context of an object, with private callback

php callback array-filter

php

PHP - How to remove empty entries of an array recursively?

php arrays array-filter

php

Undefined variable inside PHP array_filter [duplicate]

php array-filter

php

How to run array_filter recursively in a PHP array?

php recursion count array-filter

php

First element of array by condition [duplicate]

php array-filter

php

How does 'function' and 'use' and 'array_filter' work in PHP?

php function array-filter

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