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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 |
---|---|
2444 | if ( version_compare( $new_branch, $current_branch, '>' ) ) { |
2445 |
|
2446 | /** |
2447 | * Filter whether to enable major automatic core updates. |
2448 | * |
2449 | * @since 3.7.0 |
2450 | * |
2451 | * @param bool $upgrade_major Whether to enable major automatic core updates. |
2452 | */ |
2453 | return apply_filters( 'allow_major_auto_core_updates', $upgrade_major ); |
2454 | } |
2455 |
|
2456 | // If we're not sure, we don't want it |
2457 | return false; |
2458 | } |
2459 |
|
2460 | /** |
2461 | * Compare the disk file checksums against the expected checksums. |
2462 | * |