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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 |
---|---|
2643 | * Filter text before named entities are converted into numbered entities. |
2644 | * |
2645 | * A non-null string must be returned for the filter to be evaluated. |
2646 | * |
2647 | * @since 3.3.0 |
2648 | * |
2649 | * @param null $converted_text The text to be converted. Default null. |
2650 | * @param string $text The text prior to entity conversion. |
2651 | */ |
2652 | $filtered = apply_filters( 'pre_ent2ncr', null, $text ); |
2653 | if( null !== $filtered ) |
2654 | return $filtered; |
2655 |
|
2656 | $to_ncr = array( |
2657 | '"' => '"', |
2658 | '&' => '&', |
2659 | '<' => '<', |
2660 | '>' => '>', |
2661 | '|' => '|', |