[wp-trac] [WordPress Trac] #48082: Replace `dirname(__FILE__)` with `__DIR__` (Performance improvement, massive patch)

[WordPress Trac]

#48082: Replace `dirname(__FILE__)` with `__DIR__` (Performance improvement,
massive patch)
-------------------------+--------------------------------------------
 Reporter:  ayeshrajans  |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  General      |     Version:
 Severity:  minor        |  Resolution:
 Keywords:  has-patch    |     Focuses:  performance, coding-standards
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Comment (by netweb):

 Replying to [comment:1 jrf]:
 > 2. As nearly all of these touch `include/require` statements, may this
 be a good time to remove the unnecessary parentheses which are often used
 with them ?
 > `include`/`require` are language constructs, not function calls and not
 using the parentheses has an - albeit marginal - performance benefit.
 >
 > {{{#!php
 > <?php
 > // Bad:
 > require_once( dirname( __FILE__ ) . '/admin.php' );
 >
 > // Good:
 > require_once dirname( __FILE__ ) . '/admin.php';
 > }}}
 >
 > The `WordPress-Extra` PHPCS ruleset actually contains a sniff which
 already checks for this. If the unneeded parentheses would be removed, the
 sniff could move from the `Extra` ruleset to the `Core` ruleset. /cc
 @pento

 I think this is a great idea, two birds with one stone and all that, or in
 other words, it would make SVN/Git blame a little nicer doing this at the
 same time.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48082#comment:4>
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