[wp-trac] [WordPress Trac] #64497: Code Modernization: Replace manual comparison logic with the spaceship operator <=>

[WordPress Trac]

#64497: Code Modernization: Replace manual comparison logic with the spaceship
operator <=>
-------------------------+-----------------------------
 Reporter:  Soean        |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:
 Severity:  normal       |   Keywords:
  Focuses:               |
-------------------------+-----------------------------
 Since WordPress has bumped its minimum supported PHP version to 7.4, we
 should take advantage of modern PHP features to clean up legacy comparison
 logic. This ticket proposes replacing manual "less than / greater than"
 ternary or if/else blocks with the
 [[https://www.php.net/manual/en/migration70.new-features.php#migration70
 .new-features.spaceship-op|spaceship]] operator `<=>`.

 The spaceship operator was introduced in PHP 7.0. It performs three-way
 comparisons and returns -1, 0, or 1 accordingly. In many parts of the
 WordPress Core, we still use verbose logic that can be simplified.

 {{{#!php
 <?php
 return ($a < $b) ? -1 : (($a > $b) ? 1 : 0);
 }}}

 {{{#!php
 <?php
 return $a <=> $b;
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64497>
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