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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 |
---|---|
3981 | /** |
3982 | * Filters the maximum upload size allowed in php.ini. |
3983 | * |
3984 | * @since 2.5.0 |
3985 | * |
3986 | * @param int $size Max upload size limit in bytes. |
3987 | * @param int $u_bytes Maximum upload filesize in bytes. |
3988 | * @param int $p_bytes Maximum size of POST data in bytes. |
3989 | */ |
3990 | return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes ); |
3991 | } |
3992 |
|
3993 | /** |
3994 | * Returns a WP_Image_Editor instance and loads file into it. |
3995 | * |
3996 | * @since 3.5.0 |
3997 | * |
3998 | * @param string $path Path to the file to load. |
3999 | * @param array $args Optional. Additional arguments for retrieving the image editor. |