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<?php |
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if (!function_exists('implode_sprintf')) { |
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/** |
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* Will implode an array_map return of the sprintf or mb_sprintf results |
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*/ |
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function implode_sprintf(array $array = [], string $glue = ' ', string $format = '%s', $multibyte = false): string |
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{ |
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return implode($glue, array_map(function ($value, $key) use ($format, $multibyte) { |
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return $multibyte |
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? mb_sprintf($format, $value, $key) |
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: sprintf($format, $value, $key); |
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}, $array, array_keys($array))); |
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} |
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} |
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if (!function_exists('implode_mb_sprintf')) { |
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/** |
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* Will implode an array_map return of the mb_sprintf results |
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*/ |
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function implode_mb_sprintf(array $array = [], string $glue = ' ', string $format = '%s'): string |
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{ |
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return implode_sprintf($array, $glue, $format, true); |
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} |
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} |
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if (!function_exists('sprintfn')) { |
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/** |
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* version of sprintf for cases where named arguments are desired (php syntax) |
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* |
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* with sprintf: sprintf('second: %2$s ; first: %1$s', '1st', '2nd'); |
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* |
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* with sprintfn: sprintfn('second: %second$s ; first: %first$s', array( |
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* 'first' => '1st', |
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* 'second'=> '2nd' |
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* )); |
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* |
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* @param string $format sprintf format string, with any number of named arguments |
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* @param array $args array of [ 'arg_name' => 'arg value', ... ] replacements to be made |
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* @return string|false result of sprintf call, or bool false on error |
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*/ |
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function sprintfn(string $format, array $args = []) |
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{ |
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// map of argument names to their corresponding sprintf numeric argument value |
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$array = array_keys($args); |
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array_unshift($array, 0); |
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$array = array_flip(array_slice($array, 1, null, true)); |
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// find the next named argument. each search starts at the end of the previous replacement. |
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for ($pos = 0; preg_match('/(?<=%)([a-zA-Z_]\w*)(?=\$)/', $format, $match, PREG_OFFSET_CAPTURE, $pos);) { |
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$position = intval($match[0][1]); |
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$length = strlen($match[0][0]); |
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$key = $match[1][0]; |
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// programmer did not supply a value for the named argument found in the format string |
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if (!array_key_exists($key, $array)) { |
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user_error("sprintfn(): Missing argument '${$key}'", E_USER_WARNING); |
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return false; |
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} |
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// replace the named argument with the corresponding numeric one |
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$format = substr_replace($format, $replace = $array[$key], $position, $length); |
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$pos = $position + strlen($replace); |
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// skip to end of replacement for next iteration |
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} |
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return vsprintf($format, array_values($args)); |
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} |
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} |
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if (!function_exists('mb_sprintf')) { |
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/** |
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* Return a formatted multibyte string |
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* A more complete and working version of mb_sprintf and mb_vsprintf. |
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* It should work with any "ASCII preserving" encoding such as UTF-8 and all the ISO-8859 charsets. |
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* It handles sign, padding, alignment, width and precision. Argument swapping is not handled. |
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* @link http://php.net/manual/en/function.sprintf.php#89020 |
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*/ |
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function mb_sprintf($format, ...$args): string |
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{ |
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return mb_vsprintf($format, $args); |
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} |
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} |
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if (!function_exists('mb_vsprintf')) { |
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/** |
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* Return a formatted string |
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* It should work with any "ASCII preserving" encoding such as UTF-8 and all the ISO-8859 charsets. |
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* It handles sign, padding, alignment, width and precision. Argument swapping is not handled. |
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* Works with all encodings in format and arguments. |
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* Supported: Sign, padding, alignment, width and precision. |
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* Not supported: Argument swapping. |
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* @link http://php.net/manual/en/function.sprintf.php#89020 |
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*/ |
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function mb_vsprintf($format, $argv, $encoding = null): string |
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{ |
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1 |
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if (!is_array($argv)) { |
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$argv = [$argv]; |
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} |
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1 |
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if (is_null($encoding)) { |
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1 |
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$encoding = mb_internal_encoding(); |
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} |
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// Use UTF-8 in the format so we can use the u flag in preg_split |
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1 |
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$format = mb_convert_encoding($format, 'UTF-8', $encoding); |
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1 |
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$newFormat = ''; |
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// build a new format in UTF-8 |
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1 |
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$newArgv = []; |
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// unhandled args in unchanged encoding |
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1 |
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while ($format !== '') { |
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// Split the format in two parts: $pre and $post by the first %-directive |
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// We get also the matched groups |
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$split = preg_split("!\%(\+?)('.|[0 ]|)(-?)([1-9][0-9]*|)(\.[1-9][0-9]*|)([%a-zA-Z])!u", $format, 2, PREG_SPLIT_DELIM_CAPTURE); |
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$pre = $split[0] ?? null; |
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$sign = $split[1] ?? null; |
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$filler = $split[2] ?? null; |
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$align = $split[3] ?? null; |
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$size = $split[4] ?? null; |
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$precision = $split[5] ?? null; |
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$type = $split[6] ?? null; |
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$post = $split[7] ?? null; |
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$newFormat .= mb_convert_encoding($pre, $encoding, 'UTF-8'); |
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1 |
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if ($type === '') { |
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// didn't match. do nothing. this is the last iteration. |
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} |
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1 |
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elseif ($type === '%') { |
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// an escaped % |
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$newFormat .= '%%'; |
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} |
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1 |
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elseif ($type === 's') { |
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$arg = array_shift($argv); |
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$arg = mb_convert_encoding($arg, 'UTF-8', $encoding); |
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$paddingPre = ''; |
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$paddingPost = ''; |
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// truncate $arg |
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if ($precision !== '') { |
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$precision = intval(substr($precision, 1)); |
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if ($precision > 0 && mb_strlen($arg, $encoding) > $precision) { |
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$arg = mb_substr($precision, 0, $precision, $encoding); |
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} |
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} |
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// define padding |
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if ($size > 0) { |
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$argLength = mb_strlen($arg, $encoding); |
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if ($argLength < $size) { |
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if ($filler === '') { |
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$filler = ' '; |
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} |
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if ($align === '-') { |
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$paddingPost = str_repeat($filler, $size - $argLength); |
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} |
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else { |
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$paddingPre = str_repeat($filler, $size - $argLength); |
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} |
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} |
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} |
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// escape % and pass it forward |
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$newFormat .= $paddingPre . str_replace('%', '%%', $arg) . $paddingPost; |
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} |
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else { |
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// another type, pass forward |
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$newFormat .= "%$sign$filler$align$size$precision$type"; |
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1 |
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$newArgv[] = array_shift($argv); |
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} |
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1 |
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$format = strval($post); |
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} |
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// Convert new format back from UTF-8 to the original encoding |
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1 |
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$newFormat = mb_convert_encoding($newFormat, $encoding, 'UTF-8'); |
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return !empty($newArgv) ? vsprintf($newFormat, $newArgv) : $newFormat; |
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} |
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} |
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zemit-cms /
core
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