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<?php function interpolate($str, array $context = [], $asIs = false) { $replace = []; foreach ($context as $key => $val) { if ($asIs) { $replace[$key] = $val; } else { $replace['{{' . $key . '}}'] = $val; } } return strtr($str, $replace); } echo interpolate('user-id-513', [ '-' => '/', '--' => '-', ], true);

preferences:
53.05 ms | 402 KiB | 5 Q