/** * Pad a string to a certain length with another string * * @param string $input * @param integer $padLength * @param string $padString * @param integer $padType * @return string */ public function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT) { if (StringUtils::isSingleByteEncoding($this->getEncoding())) { return str_pad($input, $padLength, $padString, $padType); } $lengthOfPadding = $padLength - $this->strlen($input); if ($lengthOfPadding <= 0) { return $input; } $padStringLength = $this->strlen($padString); if ($padStringLength === 0) { return $input; } $repeatCount = floor($lengthOfPadding / $padStringLength); if ($padType === STR_PAD_BOTH) { $lastStringLeft = ''; $lastStringRight = ''; $repeatCountLeft = $repeatCountRight = ($repeatCount - $repeatCount % 2) / 2; $lastStringLength = $lengthOfPadding - 2 * $repeatCountLeft * $padStringLength; $lastStringLeftLength = $lastStringRightLength = floor($lastStringLength / 2); $lastStringRightLength += $lastStringLength % 2; $lastStringLeft = $this->substr($padString, 0, $lastStringLeftLength); $lastStringRight = $this->substr($padString, 0, $lastStringRightLength); return str_repeat($padString, $repeatCountLeft) . $lastStringLeft . $input . str_repeat($padString, $repeatCountRight) . $lastStringRight; } $lastString = $this->substr($padString, 0, $lengthOfPadding % $padStringLength); if ($padType === STR_PAD_LEFT) { return str_repeat($padString, $repeatCount) . $lastString . $input; } return $input . str_repeat($padString, $repeatCount) . $lastString; }
/** * @dataProvider getNonSingleByteEncodings * @param string $encoding */ public function testIsSingleByteEncodingReturnsFalse($encoding) { $this->assertFalse(StringUtils::isSingleByteEncoding($encoding)); }