[wp-trac] [WordPress Trac] #41346: Introduce a hook for individual plugin loaded

[WordPress Trac]

#41346: Introduce a hook for individual plugin loaded
-----------------------------+-----------------------------
 Reporter:  Rarst            |      Owner:
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Plugins          |    Version:  trunk
 Severity:  normal           |   Keywords:
  Focuses:  performance      |
-----------------------------+-----------------------------
 The current plugin load during core boot is essentially a series of
 `include` firing:

 {{{#!php
 // Load active plugins.
 foreach ( wp_get_active_and_valid_plugins() as $plugin ) {
         wp_register_plugin_realpath( $plugin );
         include_once( $plugin );
 }
 unset( $plugin );
 }}}

 Currently it is ''exceptionally'' hard to fire off arbitrary code between
 these includes. The closest I got over years is the following code, which
 I consider highly unstable:
 https://gist.github.com/Rarst/c32575ffc26df59a45c0

 Distinguishing between load events of individual plugins is highly
 desirable for performance troubleshooting. In current state it is defacto
 impossible to troubleshoot with PHP code, requiring manual toggling of
 plugins or low level PHP profiler set up.

 Adding individual plugin load event will make it '''much''' easier to
 profile and diagnose performance issues at this load stage.

 Can be as simple as:
 {{{#!php
         include_once( $plugin );
         do_action( 'plugin_loaded', $plugin );
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/41346>
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