apply_filters( ‘flush_rewrite_rules_hard’, bool $hard )

Filters whether a “hard” rewrite rule flush should be performed when requested.

Description

A "hard" flush updates .htaccess (Apache) or web.config (IIS).

if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) {

Used by	Description
WP_Rewrite::flush_rules()`wp-includes/class-wp-rewrite.php`	Removes rewrite rules and then recreate rewrite rules.

Version	Description
3.7.0	Introduced.

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