How to read if a checkbox is checked in PHP?

Question

How to read if a checkbox is checked in PHP?

Answer 1

Wordpress have the checked() function. Reference: https://developer.wordpress.org/reference/functions/checked/

checked( mixed $checked, mixed $current = true, bool $echo = true )

Description Compares the first two arguments and if identical marks as checked

Parameters $checked (mixed) (Required) One of the values to compare

$current (mixed) (Optional) (true) The other value to compare if not just true Default value: true

$echo (bool) (Optional) Whether to echo or just return the string Default value: true

Return #Return (string) html attribute or empty string