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<?php |
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namespace Elgg; |
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/** |
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* WARNING: API IN FLUX. DO NOT USE DIRECTLY. |
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* |
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* Use the elgg_* versions instead. |
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* |
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* @access private |
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* |
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* @package Elgg.Core |
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* @subpackage Deprecation |
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* @since 1.11.0 |
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*/ |
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class DeprecationService { |
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/** |
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* @var Logger |
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*/ |
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protected $logger; |
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/** |
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* Constructor |
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* |
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* @param Logger $logger Logger service |
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*/ |
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public function __construct(Logger $logger) { |
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$this->logger = $logger; |
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} |
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/** |
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* Sends a notice about deprecated use of a function, view, etc. |
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* |
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* @param string $msg Message to log |
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* @param string $dep_version Human-readable *release* version: 1.7, 1.8, ... |
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* @param int $backtrace_level How many levels back to display the backtrace. |
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* Useful if calling from functions that are called |
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* from other places (like elgg_view()). Set to -1 |
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* for a full backtrace. |
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* @return bool |
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*/ |
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function sendNotice($msg, $dep_version, $backtrace_level = 1) { |
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$msg = "Deprecated in $dep_version: $msg Called from "; |
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// Get a file and line number for the log. Skip over the function that |
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// sent this notice and see who called the deprecated function itself. |
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$stack = []; |
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$backtrace = debug_backtrace(); |
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// never show this call. |
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array_shift($backtrace); |
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$i = count($backtrace); |
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foreach ($backtrace as $trace) { |
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if (empty($trace['file'])) { |
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// file/line not set for Closures |
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$stack[] = "[#$i] unknown"; |
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} else { |
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$stack[] = "[#$i] {$trace['file']}:{$trace['line']}"; |
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} |
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$i--; |
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if ($backtrace_level > 0) { |
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if ($backtrace_level <= 1) { |
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break; |
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} |
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$backtrace_level--; |
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} |
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} |
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$msg .= implode("<br /> -> ", $stack); |
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$this->logger->warn($msg); |
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return true; |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.