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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 |
---|---|
1487 | /** |
1488 | * Filter the attachment markup to be prepended to the post content. |
1489 | * |
1490 | * @since 2.0.0 |
1491 | * |
1492 | * @see prepend_attachment() |
1493 | * |
1494 | * @param string $p The attachment HTML output. |
1495 | */ |
1496 | $p = apply_filters( 'prepend_attachment', $p ); |
1497 |
|
1498 | return "$p\n$content"; |
1499 | } |
1500 |
|
1501 | // |
1502 | // Misc |
1503 | // |
1504 |
|
1505 | /** |