ltrim

Logo symfony/var-dumper symfony/var-dumper
Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Strip whitespace (or other characters) from the beginning of a string
<?php ltrim(string $string, string $characters = " \n\r\t\v\x00"): string
<?php         foreach ($src as $i => $c) {

            if ($ltrim) {

                $c = isset($c[$ltrim]) && "\r" !== $c[$ltrim] ? substr($c, $ltrim) : ltrim($c, " \t");

            }

            $c = substr($c, 0, -1);

            if ($i !== $srcContext) {
Caster/ExceptionCaster.php 
<?php         if (null !== $this->projectDir) {

            $context['project_dir'] = $this->projectDir;

            if (str_starts_with($file, $this->projectDir)) {

                $context['file_relative'] = ltrim(substr($file, \strlen($this->projectDir)), \DIRECTORY_SEPARATOR);

            }

        }
Dumper/ContextProvider/SourceContextProvider.php