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<?php
namespace Curl;
class StringUtil
{
public static function characterReversePosition($haystack, $needle, $part = false)
{
if (function_exists('\mb_strrchr')) {
return \mb_strrchr($haystack, $needle, $part);
} else {
return \strrchr($haystack, $needle);
}
}
public static function length($string)
{
if (function_exists('\mb_strlen')) {
return \mb_strlen($string);
} else {
return \strlen($string);
}
}
public static function position($haystack, $needle, $offset = 0)
{
if (function_exists('\mb_strpos')) {
return \mb_strpos($haystack, $needle, $offset);
} else {
return \strpos($haystack, $needle, $offset);
}
}
public static function reversePosition($haystack, $needle, $offset = 0)
{
if (function_exists('\mb_strrpos')) {
return \mb_strrpos($haystack, $needle, $offset);
} else {
return \strrpos($haystack, $needle, $offset);
}
}
/**
* Return true when $haystack starts with $needle.
*
* @access public
* @param $haystack
* @param $needle
*
* @return bool
*/
public static function startsWith($haystack, $needle)
{
return self::substring($haystack, 0, self::length($needle)) === $needle;
}
public static function substring($string, $start, $length)
{
if (function_exists('\mb_substr')) {
return \mb_substr($string, $start, $length);
} else {
return \substr($string, $start, $length);
}
}
}