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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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5542 | * Fires when a deprecated file is called. |
5543 | * |
5544 | * @since 2.5.0 |
5545 | * |
5546 | * @param string $file The file that was called. |
5547 | * @param string $replacement The file that should have been included based on ABSPATH. |
5548 | * @param string $version The version of WordPress that deprecated the file. |
5549 | * @param string $message A message regarding the change. |
5550 | */ |
5551 | do_action( 'deprecated_file_included', $file, $replacement, $version, $message ); |
5552 |
|
5553 | /** |
5554 | * Filters whether to trigger an error for deprecated files. |
5555 | * |
5556 | * @since 2.5.0 |
5557 | * |
5558 | * @param bool $trigger Whether to trigger the error for deprecated files. Default true. |
5559 | */ |
5560 | if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) { |