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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 |
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124 | * |
125 | * @type int $0 The maximum width in pixels. |
126 | * @type int $1 The maximum height in pixels. |
127 | * } |
128 | * @param string|array $size Size of what the result image should be. |
129 | * @param string $context The context the image is being resized for. |
130 | * Possible values are 'display' (like in a theme) |
131 | * or 'edit' (like inserting into an editor). |
132 | */ |
133 | list( $max_width, $max_height ) = apply_filters( 'editor_max_image_size', array( $max_width, $max_height ), $size, $context ); |
134 |
|
135 | return wp_constrain_dimensions( $width, $height, $max_width, $max_height ); |
136 | } |
137 |
|
138 | /** |
139 | * Retrieve width and height attributes using given width and height values. |
140 | * |
141 | * Both attributes are required in the sense that both parameters must have a |
142 | * value, but are optional in that if you set them to false or null, then they |