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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 |
---|---|
3608 | /** |
3609 | * Filter whether to trigger an error for deprecated functions. |
3610 | * |
3611 | * `WP_DEBUG` must be true in addition to the filter evaluating to true. |
3612 | * |
3613 | * @since 4.3.0 |
3614 | * |
3615 | * @param bool $trigger Whether to trigger the error for deprecated functions. Default true. |
3616 | */ |
3617 | if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) { |
3618 | if ( function_exists( '__' ) ) { |
3619 | trigger_error( sprintf( __( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ), $class, $version, '<pre>__construct()</pre>' ) ); |
3620 | } else { |
3621 | trigger_error( sprintf( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $class, $version, '<pre>__construct()</pre>' ) ); |
3622 | } |
3623 | } |
3624 |
|
3625 | } |
3626 |
|