How Can I Sort Arrays and Data in PHP?

How do I sort arrays and data in PHP?

Basic One-Dimensional Arrays

• Use sort, rsort, asort, arsort, natsort, natcasesort, ksort, or krsort for simple value comparisons.

Multi-Dimensional Arrays and Arrays of Objects

• Define a comparison function (cmp) that returns -1 (less than), 0 (equal), or 1 (greater than).
• Use usort, uasort, or uksort to sort by values, key-value pairs, or keys, respectively.

Custom Numeric Comparisons

• Use a comparison function that subtracts one numeric value from another.

Objects

• Define a comparison function that calls an object method or property to compare the values.

Functions

• Include any necessary functions in your comparison function.

Strings

• Use strcmp to compare strings or the spaceship operator (<=>) in PHP 7.

Sorting by Multiple Fields

• Use an if-else statement to prioritize comparison criteria.

Sorting into a Manual Order

• Use a static array to define the desired order and compare values against it.

Anonymous Functions

• Use anonymous functions in PHP 5.3 for cleaner code.

Sorting One Array Based on Another

• Use array_multisort to sort one array based on another's values.
• Use array_column in PHP 5.5 to extract columns for sorting.

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