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<?php |
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|
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// Exit if accessed directly |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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if (!function_exists('wc_print_r')) { |
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/** |
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* Prints human-readable information about a variable. |
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* |
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* Some server environments blacklist some debugging functions. This function provides a safe way to |
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* turn an expression into a printable, readable form without calling blacklisted functions. |
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* |
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* @since 3.0 |
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* |
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* @param mixed $expression The expression to be printed. |
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* @param bool $return Optional. Default false. Set to true to return the human-readable string. |
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* |
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* @return string|bool False if expression could not be printed. True if the expression was printed. |
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* If $return is true, a string representation will be returned. |
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*/ |
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function wc_print_r($expression, $return = false) |
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{ |
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$alternatives = [ |
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[ |
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'func' => 'print_r', |
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'args' => [$expression, true], |
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], |
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[ |
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'func' => 'var_export', |
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'args' => [$expression, true], |
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], |
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[ |
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'func' => 'json_encode', |
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'args' => [$expression], |
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], |
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[ |
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'func' => 'serialize', |
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'args' => [$expression], |
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], |
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]; |
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|
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$alternatives = apply_filters('woocommerce_print_r_alternatives', $alternatives, $expression); |
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|
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foreach ($alternatives as $alternative) { |
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if (function_exists($alternative['func'])) { |
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$res = call_user_func_array($alternative['func'], $alternative['args']); |
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if ($return) { |
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return $res; |
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} else { |
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echo $res; // WPCS: XSS ok. |
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|
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return true; |
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} |
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} |
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} |
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|
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return false; |
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} |
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} |
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|
