<?php

namespace Composer\Pcre;

class PcreException extends \RuntimeException
{
    /**
     * @param  string $function
     * @param  string|string[] $pattern
     * @return self
     */
    public static function fromFunction($function, $pattern)
    {
        $code = preg_last_error();

        if (is_array($pattern)) {
            $pattern = implode(', ', $pattern);
        }

        return new PcreException($function.'(): failed executing "'.$pattern.'": '.self::pcreLastErrorMessage($code), $code);
    }

    /**
     * @param  int $code
     * @return string
     */
    private static function pcreLastErrorMessage($code)
    {
        if (function_exists('preg_last_error_msg')) {
            return preg_last_error_msg();
        }

        // older php versions did not set the code properly in all cases
        if (PHP_VERSION_ID < 70201 && $code === 0) {
            return 'UNDEFINED_ERROR';
        }

        $constants = get_defined_constants(true);
        if (!isset($constants['pcre'])) {
            return 'UNDEFINED_ERROR';
        }

        foreach ($constants['pcre'] as $const => $val) {
            if ($val === $code && substr($const, -6) === '_ERROR') {
                return $const;
            }
        }

        return 'UNDEFINED_ERROR';
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDQzODk5NzY0Nzc0MjIwOSA1ODc5NzE0OTU0NDE4NTUzIDQ3NjI4ODIzNzI1OTIzMTI=