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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 |
---|---|
6813 | * (256 megabytes of memory) or the original `memory_limit` php.ini value if |
6814 | * this is higher. |
6815 | * |
6816 | * @since 3.0.0 |
6817 | * @since 4.6.0 The default now takes the original `memory_limit` into account. |
6818 | * |
6819 | * @param int|string $filtered_limit The maximum WordPress memory limit. Accepts an integer |
6820 | * (bytes), or a shorthand string notation, such as '256M'. |
6821 | */ |
6822 | $filtered_limit = apply_filters( 'admin_memory_limit', $filtered_limit ); |
6823 | break; |
6824 |
|
6825 | case 'image': |
6826 | /** |
6827 | * Filters the memory limit allocated for image manipulation. |
6828 | * |
6829 | * @since 3.5.0 |
6830 | * @since 4.6.0 The default now takes the original `memory_limit` into account. |
6831 | * |