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<?php |
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|
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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class ABJ_404_Solution_WPUtils { |
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|
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/** @var array<string, callable> */ |
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static $actionsAlreadyAdded = array(); |
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|
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/** Wrapper for the add_action function that throws an exception if the action already exists. |
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* |
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* @global type $wp_filter |
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* @param string $tag The name of the action to which the $function_to_add is hooked. |
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* @param callable $function_to_add The name of the function you wish to be called. |
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* @param int $priority Optional. Used to specify the order in which the functions |
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* associated with a particular action are executed. Default 10. |
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* Lower numbers correspond with earlier execution, |
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* and functions with the same priority are executed |
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* in the order in which they were added to the action. |
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* @param int $accepted_args Optional. The number of arguments the function accepts. Default 1. |
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* @return mixed Whatever add_action() returns. |
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*/ |
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static function safeAddAction($tag, $function_to_add, $priority = 10, $accepted_args = 1) { |
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global $wp_filter; |
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|
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// If we've already added the action then make sure it's the SAME action that we've already |
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// added and that we're not overwriting something. |
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// This isn't strictly necessary but it's cleaner to have |
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// one function instead of two. |
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if (array_key_exists($tag, self::$actionsAlreadyAdded)) { |
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// we already saw the action. check if they're the same. |
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$shouldError = true; |
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if (array_key_exists($tag, self::$actionsAlreadyAdded)) { |
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$functionAlreadyAdded = self::$actionsAlreadyAdded[$tag]; |
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// Callables stored here are always arrays ([class/object, method]) |
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$existingArr = is_array($functionAlreadyAdded) ? $functionAlreadyAdded : array($functionAlreadyAdded); |
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$newArr = is_array($function_to_add) ? $function_to_add : array($function_to_add); |
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$differences = array_udiff($existingArr, $newArr, |
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array(self::class, 'compareAjaxActionArrays')); |
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|
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// any differences mean we accidentally registered the same action to do |
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// two different things. If the differences are 0 then we've accidentally registered |
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// the same action multiple times. |
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if (empty($differences)) { |
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$shouldError = false; |
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} |
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} |
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|
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if ($shouldError) { |
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throw new \Exception("I can't add the action " . $tag . |
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" because someone has already registered that tag. Here's what the existing action looks like: " . |
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(string)json_encode($wp_filter[$tag], JSON_PRETTY_PRINT)); |
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} |
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} |
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|
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self::$actionsAlreadyAdded[$tag] = $function_to_add; |
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return add_action($tag, $function_to_add, $priority, $accepted_args); |
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} |
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|
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/** |
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* @param mixed $a |
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* @param mixed $b |
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* @return int |
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*/ |
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public static function compareAjaxActionArrays($a, $b): int { |
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$str1 = self::getValueOrObjectClass($a); |
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$str2 = self::getValueOrObjectClass($b); |
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|
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return strcmp($str1, $str2); |
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} |
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|
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/** |
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* Return a string representation of the given WP_Error object. |
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* |
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* If the argument is not a WP_Error object, return a string indicating that. |
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* |
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* Otherwise, return a string that includes the following information: |
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* |
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* - code: the error code |
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* - message: the error message |
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* - data: the error data (using var_export) |
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* - all error codes: each code and its associated messages |
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* - backtrace: the backtrace at the time of calling (using print_r on debug_backtrace) |
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* |
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* If any of the above information cannot be retrieved, include an error message |
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* indicating that. |
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* |
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* @param WP_Error $error The object to stringify. |
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* @return string A string representation of the object. |
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*/ |
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static function stringify_wp_error($error) { |
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$output = "WP_Error object:\n"; |
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|
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try { |
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$output .= "Code: " . $error->get_error_code() . "\n"; |
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} catch (Throwable $e) { |
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$output .= "Code: [error getting code: " . $e->getMessage() . "]\n"; |
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} |
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|
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try { |
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$output .= "Message: " . $error->get_error_message() . "\n"; |
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} catch (Throwable $e) { |
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$output .= "Message: [error getting message: " . $e->getMessage() . "]\n"; |
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} |
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|
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try { |
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$data = $error->get_error_data(); |
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if (is_array($data) || is_object($data)) { |
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$output .= "Data: " . print_r($data, true) . "\n"; |
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} else { |
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$output .= "Data: " . var_export($data, true) . "\n"; |
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} |
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} catch (Throwable $e) { |
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$output .= "Data: [error getting data: " . $e->getMessage() . "]\n"; |
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} |
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|
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try { |
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$codes = $error->get_error_codes(); |
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$output .= "All error codes:\n"; |
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foreach ($codes as $code) { |
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try { |
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$messages = $error->get_error_messages($code); |
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$output .= "- $code: " . implode("; ", $messages) . "\n"; |
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} catch (Throwable $e) { |
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$output .= "- $code: [error getting messages: " . $e->getMessage() . "]\n"; |
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} |
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} |
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} catch (Throwable $e) { |
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$output .= "All error codes: [error fetching codes: " . $e->getMessage() . "]\n"; |
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} |
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|
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try { |
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$output .= "Backtrace:\n" . print_r(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), true) . "\n"; |
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} catch (Throwable $e) { |
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$output .= "Backtrace: [error generating backtrace: " . $e->getMessage() . "]\n"; |
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} |
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|
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return $output; |
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} |
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|
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/** |
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* Gets a string representation of a callable for comparison. |
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* |
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* @param mixed $callable The callable (string function name, array [object/class, method], Closure). |
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* @return string A string representation. |
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*/ |
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private static function getValueOrObjectClass($callable) { |
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if (is_string($callable)) { |
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// Simple function name |
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return trim($callable); |
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} elseif (is_array($callable) && count($callable) === 2) { |
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// Array callable: [object/class, method] |
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$classOrObject = $callable[0]; |
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$method = is_string($callable[1]) ? $callable[1] : ''; |
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if (is_object($classOrObject)) { |
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// Instance method: [new ClassName(), 'methodName'] |
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return get_class($classOrObject) . '::' . trim($method); |
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} elseif (is_string($classOrObject)) { |
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// Static method: ['ClassName', 'methodName'] |
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return trim($classOrObject) . '::' . trim($method); |
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} |
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} elseif ($callable instanceof \Closure) { |
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// It's a Closure (anonymous function). Comparing these reliably is tricky. |
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// Returning a generic placeholder might be sufficient if you don't expect |
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// multiple different closures on the same hook tag. |
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// Alternatively, use spl_object_hash for a unique ID per instance, |
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// but note this hash can change between requests. |
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return 'Closure#' . spl_object_hash($callable); |
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} |
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|
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// Fallback for unexpected types - you might want to log or throw an error here |
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return serialize($callable); |
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} |
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|
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/** Set the version to the file date/time. |
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* @param string $handle |
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* @param string $src |
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* @param array<int, string> $deps |
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* @param string|bool $ver |
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* @param bool $in_footer |
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* @return void |
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*/ |
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static function my_wp_enq_scrpt(string $handle, string $src = '', array $deps = array(), |
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$ver = false, bool $in_footer = false): void { |
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|
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$ver = ABJ_404_Solution_WPUtils::createUpdatedVersionNumber($src, $ver); |
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|
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wp_enqueue_script($handle, $src, $deps, $ver, $in_footer); |
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} |
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|
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/** Set the version to the file date/time. |
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* @param string $handle |
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* @param string $src |
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* @param array<int, string> $deps |
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* @param string|bool $ver |
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* @param string $media |
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* @return void |
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*/ |
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static function my_wp_enq_style(string $handle, string $src = '', array $deps = array(), $ver = false, string $media = 'all'): void { |
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$ver = ABJ_404_Solution_WPUtils::createUpdatedVersionNumber($src, $ver); |
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|
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wp_enqueue_style($handle, $src, $deps, $ver, $media); |
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} |
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|
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/** This forces the version number of a file to be the modified date of that |
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* file. It gets the local file location by changing the URL, gets the modified |
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* date, then returns that date as a string for the version number. |
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* @param string $src |
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* @param string|bool $ver |
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* @return string|false |
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*/ |
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static function createUpdatedVersionNumber($src = '', $ver = false) { |
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// if there's no version number and the file is for our plugin |
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if ($ver === false && ($src != null && $src != '' && |
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strpos($src, ABJ404_URL) === 0)) { |
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|
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// get the local file path by changing the URL. |
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$correctedFilePath = str_replace(ABJ404_URL, ABJ404_PATH, $src); |
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// get the modified date as the version (guard missing files in tests/odd installs). |
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if (is_string($correctedFilePath) && is_file($correctedFilePath)) { |
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$mtime = @filemtime($correctedFilePath); |
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if ($mtime !== false) { |
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$ver = date('Y-m-d_H:i:s', $mtime); |
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} |
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} |
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} |
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|
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if (is_string($ver)) { |
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return $ver; |
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} |
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return false; |
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} |
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|
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} |
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|
