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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 |
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2397 |
|
2398 | /** |
2399 | * Filters whether to invalidate a file from the opcode cache. |
2400 | * |
2401 | * @since 5.5.0 |
2402 | * |
2403 | * @param bool $will_invalidate Whether WordPress will invalidate `$filepath`. Default true. |
2404 | * @param string $filepath The path to the PHP file to invalidate. |
2405 | */ |
2406 | if ( apply_filters( 'wp_opcache_invalidate_file', true, $filepath ) ) { |
2407 | return opcache_invalidate( $filepath, $force ); |
2408 | } |
2409 |
|
2410 | return false; |
2411 | } |
2412 |
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