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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 |
|---|---|
| 524 | * |
| 525 | * @param array $attrs { |
| 526 | * The attributes. |
| 527 | * |
| 528 | * @type int $min Minimum value. |
| 529 | * @type int $max Maximum value. |
| 530 | * @type int $step Interval between numbers. |
| 531 | * } |
| 532 | */ |
| 533 | return apply_filters( |
| 534 | 'twentytwenty_customize_opacity_range', |
| 535 | array( |
| 536 | 'min' => 0, |
| 537 | 'max' => 90, |
| 538 | 'step' => 5, |
| 539 | ) |
| 540 | ); |
| 541 | } |
| 542 | |