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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 |
---|---|
2523 | if ( version_compare( $new_branch, $current_branch, '>' ) ) { |
2524 |
|
2525 | /** |
2526 | * Filter whether to enable major automatic core updates. |
2527 | * |
2528 | * @since 3.7.0 |
2529 | * |
2530 | * @param bool $upgrade_major Whether to enable major automatic core updates. |
2531 | */ |
2532 | return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); |
2533 | } |
2534 |
|
2535 | // If we're not sure, we don't want it |
2536 | return false; |
2537 | } |
2538 |
|
2539 | /** |
2540 | * Compare the disk file checksums against the expected checksums. |
2541 | * |