Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Translate characters or replace substrings
<?php strtr(string $string, string $from, string $to): string
<?php     protected function transformHeadersToServerVars(array $headers)

    {

        return collect(array_merge($this->defaultHeaders, $headers))->mapWithKeys(function ($value, $name) {

            $name = strtr(strtoupper($name), '-', '_');



            return [$this->formatServerHeaderKey($name) => $value];

        })->all();
<?php         $uri = strtr(rawurlencode($uri), $this->dontEncode);



        if (! $absolute) {

            $uri = preg_replace('#^(//|[^/?])+#', '', $uri);
<?php     public static function swap(array $map, $subject)

    {

        return strtr($subject, $map);

    }
<?php     public function swap(array $map)

    {

        return new static(strtr($this->value, $map));

    }
<?php             $shouldReplace[':'.$key] = $value;

        }



        return strtr($line, $shouldReplace);

    }
<?php     protected function compileParent()

    {

        $escapedLastSection = strtr($this->lastSection, ['\\' => '\\\\', "'" => "\\'"]);



        return "<?php echo \Illuminate\View\Factory::parentPlaceholder('{$escapedLastSection}'); ?>";

    }