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<?php
/**
* compatibility functions
*
* This file contains a few functions that might be missing from the PHP build
*/
if (!function_exists('ctype_space')) {
/**
* Check for whitespace character(s)
*
* @param string $text
* @return bool
* @see ctype_space
*/
function ctype_space($text)
{
if (!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars
if (trim($text) === '') return true;
return false;
}
}
if (!function_exists('ctype_digit')) {
/**
* Check for numeric character(s)
*
* @param string $text
* @return bool
* @see ctype_digit
*/
function ctype_digit($text)
{
if (!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars
if (preg_match('/^\d+$/', $text)) return true;
return false;
}
}
if (!function_exists('gzopen') && function_exists('gzopen64')) {
/**
* work around for PHP compiled against certain zlib versions #865
*
* @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists
*
* @param string $filename
* @param string $mode
* @param int $use_include_path
* @return mixed
*/
function gzopen($filename, $mode, $use_include_path = 0)
{
return gzopen64($filename, $mode, $use_include_path);
}
}
if (!function_exists('gzseek') && function_exists('gzseek64')) {
/**
* work around for PHP compiled against certain zlib versions #865
*
* @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists
*
* @param resource $zp
* @param int $offset
* @param int $whence
* @return int
*/
function gzseek($zp, $offset, $whence = SEEK_SET)
{
return gzseek64($zp, $offset, $whence);
}
}
if (!function_exists('gztell') && function_exists('gztell64')) {
/**
* work around for PHP compiled against certain zlib versions #865
*
* @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists
*
* @param resource $zp
* @return int
*/
function gztell($zp)
{
return gztell64($zp);
}
}
/**
* polyfill for PHP < 8
* @see https://www.php.net/manual/en/function.str-starts-with
*/
if (!function_exists('str_starts_with')) {
function str_starts_with(string $haystack, string $needle)
{
return empty($needle) || strpos($haystack, $needle) === 0;
}
}
/**
* polyfill for PHP < 8
* @see https://www.php.net/manual/en/function.str-contains
*/
if (!function_exists('str_contains')) {
function str_contains(string $haystack, string $needle)
{
return empty($needle) || strpos($haystack, $needle) !== false;
}
}
/**
* polyfill for PHP < 8
* @see https://www.php.net/manual/en/function.str-ends-with
*/
if (!function_exists('str_ends_with')) {
function str_ends_with(string $haystack, string $needle)
{
return empty($needle) || substr($haystack, -strlen($needle)) === $needle;
}
}
/**
* polyfill for PHP < 8.1
* @see https://www.php.net/manual/en/function.array-is-list
*/
if (!function_exists('array_is_list')) {
function array_is_list(array $arr)
{
if ($arr === []) {
return true;
}
return array_keys($arr) === range(0, count($arr) - 1);
}
}
|
