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[ticket/9574] Drop fallback implementations

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phpBB 3.0 includes fallback implementations for following PHP5+
functions:

array_combine
str_split
stripos
htmlspecialchars_decode

Since phpBB 3.1 requires PHP 5.2+ these can be dropped.

PHPBB3-9574
This commit is contained in:
Igor Wiedler 2010-06-25 12:43:23 +02:00
parent 34a1b044a1
commit 1e59666ee3
1 changed files with 0 additions and 101 deletions
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101
phpBB/includes/functions.php
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@ -752,95 +752,6 @@ function phpbb_is_writable($file)
} }
} }
// Compatibility functions
if (!function_exists('array_combine'))
{
/**
* A wrapper for the PHP5 function array_combine()
* @param array $keys contains keys for the resulting array
* @param array $values contains values for the resulting array
*
* @return Returns an array by using the values from the keys array as keys and the
* values from the values array as the corresponding values. Returns false if the
* number of elements for each array isn't equal or if the arrays are empty.
*/
function array_combine($keys, $values)
{
$keys = array_values($keys);
$values = array_values($values);
$n = sizeof($keys);
$m = sizeof($values);
if (!$n || !$m || ($n != $m))
{
return false;
}
$combined = array();
for ($i = 0; $i < $n; $i++)
{
$combined[$keys[$i]] = $values[$i];
}
return $combined;
}
}
if (!function_exists('str_split'))
{
/**
* A wrapper for the PHP5 function str_split()
* @param array $string contains the string to be converted
* @param array $split_length contains the length of each chunk
*
* @return Converts a string to an array. If the optional split_length parameter is specified,
* the returned array will be broken down into chunks with each being split_length in length,
* otherwise each chunk will be one character in length. FALSE is returned if split_length is
* less than 1. If the split_length length exceeds the length of string, the entire string is
* returned as the first (and only) array element.
*/
function str_split($string, $split_length = 1)
{
if ($split_length < 1)
{
return false;
}
else if ($split_length >= strlen($string))
{
return array($string);
}
else
{
preg_match_all('#.{1,' . $split_length . '}#s', $string, $matches);
return $matches[0];
}
}
}
if (!function_exists('stripos'))
{
/**
* A wrapper for the PHP5 function stripos
* Find position of first occurrence of a case-insensitive string
*
* @param string $haystack is the string to search in
* @param string $needle is the string to search for
*
* @return mixed Returns the numeric position of the first occurrence of needle in the haystack string. Unlike strpos(), stripos() is case-insensitive.
* Note that the needle may be a string of one or more characters.
* If needle is not found, stripos() will return boolean FALSE.
*/
function stripos($haystack, $needle)
{
if (preg_match('#' . preg_quote($needle, '#') . '#i', $haystack, $m))
{
return strpos($haystack, $m[0]);
}
return false;
}
}
/** /**
* Checks if a path ($path) is absolute or relative * Checks if a path ($path) is absolute or relative
* *
@ -1046,18 +957,6 @@ else
} }
} }
if (!function_exists('htmlspecialchars_decode'))
{
/**
* A wrapper for htmlspecialchars_decode
* @ignore
*/
function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT)
{
return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
}
}
// functions used for building option fields // functions used for building option fields
/** /**