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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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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174 | extract($args); |
175 |
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176 | @set_time_limit( 300 ); |
177 |
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178 | if ( empty($source) || empty($destination) ) |
179 | return new WP_Error('bad_request', $this->strings['bad_request']); |
180 |
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181 | $this->skin->feedback('installing_package'); |
182 |
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183 | $res = apply_filters('upgrader_pre_install', true, $hook_extra); |
184 | if ( is_wp_error($res) ) |
185 | return $res; |
186 |
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187 | //Retain the Original source and destinations |
188 | $remote_source = $source; |
189 | $local_destination = $destination; |
190 |
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191 | $source_files = array_keys( $wp_filesystem->dirlist($remote_source) ); |
192 | $remote_destination = $wp_filesystem->find_folder($local_destination); |