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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 |
---|---|
2485 | /** |
2486 | * Filter the maximum upload size allowed in php.ini. |
2487 | * |
2488 | * @since 2.5.0 |
2489 | * |
2490 | * @param int $size Max upload size limit in bytes. |
2491 | * @param int $u_bytes Maximum upload filesize in bytes. |
2492 | * @param int $p_bytes Maximum size of POST data in bytes. |
2493 | */ |
2494 | return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes ); |
2495 | } |
2496 |
|
2497 | /** |
2498 | * Returns a WP_Image_Editor instance and loads file into it. |
2499 | * |
2500 | * @since 3.5.0 |
2501 | * |
2502 | * @param string $path Path to the file to load. |
2503 | * @param array $args Optional. Additional arguments for retrieving the image editor. |