Source View: deprecated_argument_trigger_error

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
3558      do_action( 'deprecated_argument_run', $function, $message, $version );
3559
3560      /**
3561       * Filter whether to trigger an error for deprecated arguments.
3562       *
3563       * @since 3.0.0
3564       *
3565       * @param bool $trigger Whether to trigger the error for deprecated arguments. Default true.
3566       */
3567      if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
3568           if ( function_exists( '__' ) ) {
3569                if ( ! is_null( $message ) )
3570                     trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
3571                else
3572                     trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
3573           } else {
3574                if ( ! is_null( $message ) )
3575                     trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s', $function, $version, $message ) );
3576                else