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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 |
---|---|
3929 | * Filters text before named entities are converted into numbered entities. |
3930 | * |
3931 | * A non-null string must be returned for the filter to be evaluated. |
3932 | * |
3933 | * @since 3.3.0 |
3934 | * |
3935 | * @param string|null $converted_text The text to be converted. Default null. |
3936 | * @param string $text The text prior to entity conversion. |
3937 | */ |
3938 | $filtered = apply_filters( 'pre_ent2ncr', null, $text ); |
3939 | if ( null !== $filtered ) { |
3940 | return $filtered; |
3941 | } |
3942 |
|
3943 | $to_ncr = array( |
3944 | '"' => '"', |
3945 | '&' => '&', |
3946 | '<' => '<', |
3947 | '>' => '>', |