[wp-trac] [WordPress Trac] #64913: Code Quality: Replace is_integer() with is_int() for consistency

[WordPress Trac]

#64913: Code Quality: Replace is_integer() with is_int() for consistency
------------------------------+-----------------------------
 Reporter:  Soean             |      Owner:  (none)
     Type:  defect (bug)      |     Status:  new
 Priority:  normal            |  Milestone:  Awaiting Review
Component:  General           |    Version:
 Severity:  normal            |   Keywords:
  Focuses:  coding-standards  |
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 [https://www.php.net/manual/en/function.is-integer.php is_integer()] is an
 alias for [https://www.php.net/manual/en/function.is-int.php is_int()].
 While they function identically, the WordPress Coding Standards and modern
 PHP practices generally lean towards using the official function name
 rather than its alias to maintain consistency across the codebase.

 There is also a proposal to deprecate `is_integer()` in PHP 8.6,
 [https://wiki.php.net/rfc/deprecations_php_8_6#deprecate_is_integer see
 RFC]

 I am proposing to replace all occurrences of `is_integer()` with
 `is_int()` throughout the WordPress Core. This is a non-breaking change as
 the functionality remains exactly the same.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64913>
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