What are the common array functions in PHP?

php Common array functions include: 1. "array_count_values" function, used to count all values ​​in the array; 2. "array_flip", used to exchange keys and values ​​in the array; 3. "array_multisort", Used for sorting multiple arrays or multi-dimensional arrays, etc.

php common array functions

array_count_values ​​— Count all values ​​in the array

array_flip — Swap keys and values ​​in an array

array_merge — Merge one or more arrays

array_multisort — Sort multiple arrays or multidimensional arrays

array_pad — Sort by Fill a value into the array with a specified length

array_pop — pop the last element of the array (pop)

array_push — push one or more elements to the end of the array (push)

array_rand — Randomly (pseudo-randomly) remove one or more units from the array

array_keys — Return some or all key names in the array

array_values ​​— Return all keys in the array The value of

count — Counts the number of cells in an array, or the number of attributes in an object

sort — Sorts an array

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