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<?php
$str = '/user/123';
$str = ltrim($str, '/');
print $str;
?>
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<?php
$string = "hello world";
// create a substring starting 1 character from
// the beginning and ending 1 character from the end
$trimmed = substr($string, 1, -1);
echo $trimmed; // prints "ello worl"
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$str = "The quick brown fox jumps over the lazy dog."
$str2 = substr($str, 4); // "quick brown fox jumps over the lazy dog."
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$string = "example";
$removedFirstChar = substr($string, 1);
echo $removedFirstChar;