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<?php |
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namespace Innmind\Immutable; |
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use Innmind\Immutable\Exception\TypeException; |
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use Innmind\Immutable\Exception\RegexException; |
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use Innmind\Immutable\Exception\SubstringException; |
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class StringPrimitive implements PrimitiveInterface, StringableInterface |
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{ |
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const PAD_RIGHT = STR_PAD_RIGHT; |
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const PAD_LEFT = STR_PAD_LEFT; |
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const PAD_BOTH = STR_PAD_BOTH; |
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const PREG_NO_FLAGS = 0; |
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const PREG_SPLIT_NO_EMPTY = PREG_SPLIT_NO_EMPTY; |
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const PREG_SPLIT_DELIM_CAPTURE = PREG_SPLIT_DELIM_CAPTURE; |
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const PREG_SPLIT_OFFSET_CAPTURE = PREG_SPLIT_OFFSET_CAPTURE; |
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const PREG_OFFSET_CAPTURE = PREG_OFFSET_CAPTURE; |
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private $value; |
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public function __construct($value) |
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{ |
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if (!is_string($value)) { |
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throw new TypeException('Value must be a string'); |
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} |
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$this->value = (string) $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toPrimitive() |
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{ |
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return $this->value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return $this->value; |
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} |
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/** |
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* Split the string into a collection of ones |
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* |
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* @param string $delimiter |
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* |
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* @return TypedCollection |
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*/ |
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public function split($delimiter = null) |
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{ |
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$delimiter = (string) $delimiter; |
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$parts = empty($delimiter) ? |
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str_split($this->value) : explode($delimiter, $this->value); |
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$strings = []; |
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foreach ($parts as $part) { |
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$strings[] = new self($part); |
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} |
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return new TypedCollection( |
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self::class, |
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$strings |
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); |
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} |
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/** |
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* Returns a collection of the string splitted by the given chunk size |
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* |
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* @param int $size |
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* |
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* @return TypedCollection |
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*/ |
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public function chunk($size = 1) |
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{ |
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return $this->split()->chunk((int) $size); |
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} |
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/** |
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* Returns the position of the first occurence of the string |
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* |
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* @param string $needle |
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* @param int $offset |
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* |
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* @throws SubstringException If the string is not found |
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* |
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* @return int |
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*/ |
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public function pos($needle, $offset = 0) |
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{ |
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$position = mb_strpos($this->value, (string) $needle, (int) $offset); |
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if ($position === false) { |
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throw new SubstringException(sprintf( |
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'Substring "%s" not found', |
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$needle |
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)); |
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} |
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return (int) $position; |
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} |
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/** |
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* Replace all occurences of the search string with the replacement one |
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* |
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* @param string $search |
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* @param string $replacement |
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* |
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* @return StringPrimitive |
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*/ |
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public function replace($search, $replacement) |
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{ |
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return new self(str_replace( |
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(string) $search, |
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(string) $replacement, |
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$this->value |
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)); |
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} |
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/** |
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* Returns the string following the given delimiter |
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* |
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* @param string $delimiter |
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* |
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* @throws SubstringException If the string is not found |
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* |
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* @return StringInterface |
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*/ |
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public function str($delimiter) |
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{ |
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$sub = mb_strstr($this->value, (string) $delimiter); |
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if ($sub === false) { |
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throw new SubstringException(sprintf( |
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'Substring "%s" not found', |
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$delimiter |
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)); |
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} |
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return new self($sub); |
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} |
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/** |
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* Return the string in upper case |
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* |
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* @return StringPrimitive |
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*/ |
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public function toUpper() |
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{ |
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return new self(mb_strtoupper($this->value)); |
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} |
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/** |
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* Return the string in lower case |
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* |
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* @return StringPrimitive |
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*/ |
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public function toLower() |
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{ |
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return new self(mb_strtolower($this->value)); |
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} |
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/** |
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* Return the string length |
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* |
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* @return int |
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*/ |
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public function length() |
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{ |
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return strlen($this->value); |
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} |
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/** |
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* Reverse the string |
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* |
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* @return StringPrimitive |
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*/ |
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public function reverse() |
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{ |
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return new self(strrev($this->value)); |
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} |
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/** |
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* Pad the string |
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* |
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* @param int $length |
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* @param string $character |
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* @param int $direction |
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* |
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* @return StringPrimitive |
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*/ |
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public function pad($length, $character = ' ', $direction = self::PAD_RIGHT) |
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{ |
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return new self(str_pad( |
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$this->value, |
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(int) $length, |
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(string) $character, |
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$direction |
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)); |
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} |
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/** |
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* Pad to the right |
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* |
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* @param int $length |
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* @param string $character |
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* |
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* @return StringPrimitive |
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*/ |
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public function rightPad($length, $character = ' ') |
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{ |
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return $this->pad($length, $character, self::PAD_RIGHT); |
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} |
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/** |
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* Pad to the left |
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* |
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* @param int $length |
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* @param string $character |
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* |
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* @return StringPrimitive |
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*/ |
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public function leftPad($length, $character = ' ') |
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{ |
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return $this->pad($length, $character, self::PAD_LEFT); |
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} |
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/** |
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* Pad both sides |
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* |
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* @param int $length |
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* @param string $character |
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* |
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* @return StringPrimitive |
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*/ |
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public function uniPad($length, $character = ' ') |
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{ |
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return $this->pad($length, $character, self::PAD_BOTH); |
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} |
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/** |
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* Find length of initial segment not matching mask |
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* |
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* @param string $mask |
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* @param int $start |
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* @param int $length |
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* |
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* @return int |
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*/ |
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public function cspn($mask, $start = 0, $length = null) |
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{ |
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$start = (int) $start; |
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if ($length === null) { |
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$value = strcspn($this->value, (string) $mask, $start); |
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} else { |
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$value = strcspn( |
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$this->value, |
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(string) $mask, |
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$start, |
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(int) $length |
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); |
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} |
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return (int) $value; |
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} |
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/** |
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* Repeat the string n times |
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* |
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* @param int $repeat |
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* |
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* @return StringPrimitive |
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*/ |
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public function repeat($repeat) |
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{ |
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return new self(str_repeat($this->value, (int) $repeat)); |
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} |
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/** |
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* Shuffle the string |
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* |
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* @return StringPrimitive |
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*/ |
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public function shuffle() |
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{ |
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return new self(str_shuffle($this->value)); |
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} |
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294
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/** |
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* Strip slashes |
296
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* |
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* @return StringPrimitive |
298
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*/ |
299
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public function stripSlashes() |
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{ |
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return new self(stripslashes($this->value)); |
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} |
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/** |
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* Strip C-like slashes |
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* |
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* @return StringPrimitive |
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*/ |
309
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public function stripCSlashes() |
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{ |
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return new self(stripcslashes($this->value)); |
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} |
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/** |
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* Return the word count |
316
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* |
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* @param string $charlist |
318
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* |
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* @return int |
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*/ |
321
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public function wordCount($charlist = '') |
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{ |
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return (int) str_word_count( |
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$this->value, |
325
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0, |
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(string) $charlist |
327
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); |
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} |
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330
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/** |
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* Return the collection of words |
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* |
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* @param string $charlist |
334
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* |
335
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* @return TypedCollection |
336
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*/ |
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public function words($charlist = '') |
338
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{ |
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$words = str_word_count($this->value, 2, (string) $charlist); |
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341
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foreach ($words as &$word) { |
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$word = new self($word); |
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} |
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345
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return new TypedCollection( |
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self::class, |
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$words |
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); |
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} |
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351
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/** |
352
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* Split the string using a regular expression |
353
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* |
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* @param string $regex |
355
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* @param int $limit |
356
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* @param int $flags |
357
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* |
358
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* @return TypedCollection |
359
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*/ |
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public function pregSplit($regex, $limit = -1, $flags = self::PREG_NO_FLAGS) |
361
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{ |
362
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$strings = preg_split((string) $regex, $this->value, $limit, $flags); |
363
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364
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1 |
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foreach ($strings as &$string) { |
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1 |
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$string = new self($string); |
366
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1 |
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} |
367
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|
368
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1 |
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return new TypedCollection( |
369
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1 |
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self::class, |
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$strings |
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1 |
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); |
372
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} |
373
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|
374
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/** |
375
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* Check if the string match the given regular expression |
376
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|
* |
377
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* @param string $regex |
378
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* @param int $offset |
379
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* |
380
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* @throws Exception If the regex failed |
381
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* |
382
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* @return bool |
383
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*/ |
384
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2 |
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public function match($regex, $offset = 0) |
385
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{ |
386
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2 |
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$matches = []; |
387
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$value = preg_match((string) $regex, $this->value, $matches, 0, $offset); |
388
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|
389
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2 |
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if ($value === false) { |
390
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1 |
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throw new RegexException('', preg_last_error()); |
391
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} |
392
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|
393
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1 |
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return (bool) $value; |
394
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} |
395
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|
|
396
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/** |
397
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* Return a collection of the elements matching the regex |
398
|
|
|
* |
399
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* @param string $regex |
400
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* @param int $offset |
401
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|
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* @param int $flags |
402
|
|
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* |
403
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* @throws Exception If the regex failed |
404
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* |
405
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* @return TypedCollection |
406
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|
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*/ |
407
|
2 |
|
public function getMatches($regex, $offset = 0, $flags = self::PREG_NO_FLAGS) |
408
|
|
|
{ |
409
|
2 |
|
$matches = []; |
410
|
2 |
|
$value = preg_match( |
411
|
2 |
|
(string) $regex, |
412
|
2 |
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$this->value, |
413
|
2 |
|
$matches, |
414
|
2 |
|
$flags, |
415
|
|
|
$offset |
416
|
2 |
|
); |
417
|
|
|
|
418
|
2 |
|
foreach ($matches as &$match) { |
419
|
1 |
|
$match = new self($match); |
420
|
2 |
|
} |
421
|
|
|
|
422
|
2 |
|
if ($value === false) { |
423
|
1 |
|
throw new RegexException('', preg_last_error()); |
424
|
|
|
} |
425
|
|
|
|
426
|
1 |
|
return new TypedCollection(self::class, $matches); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* Replace part of the string by using a regular expression |
431
|
|
|
* |
432
|
|
|
* @param string $regex |
433
|
|
|
* @param string $replacement |
434
|
|
|
* @param int $limit |
435
|
|
|
* |
436
|
|
|
* @throws Exception If the regex failed |
437
|
|
|
* |
438
|
|
|
* @return StringPrimitive |
439
|
|
|
*/ |
440
|
1 |
|
public function pregReplace($regex, $replacement, $limit = -1) |
441
|
|
|
{ |
442
|
1 |
|
$value = preg_replace( |
443
|
1 |
|
(string) $regex, |
444
|
1 |
|
(string) $replacement, |
445
|
1 |
|
$this->value, |
446
|
|
|
$limit |
447
|
1 |
|
); |
448
|
|
|
|
449
|
1 |
|
if ($value === null) { |
450
|
|
|
throw new RegexException('', preg_last_error()); |
451
|
|
|
} |
452
|
|
|
|
453
|
1 |
|
return new self($value); |
454
|
|
|
} |
455
|
|
|
|
456
|
|
|
/** |
457
|
|
|
* Return part of the string |
458
|
|
|
* |
459
|
|
|
* @param int $start |
460
|
|
|
* @param int $length |
461
|
|
|
* |
462
|
|
|
* @return StringPrimitive |
463
|
|
|
*/ |
464
|
1 |
|
public function substring($start, $length = null) |
465
|
|
|
{ |
466
|
1 |
|
if ($length === null) { |
467
|
1 |
|
$sub = substr($this->value, (int) $start); |
468
|
1 |
|
} else { |
469
|
1 |
|
$sub = substr($this->value, (int) $start, (int) $length); |
470
|
|
|
} |
471
|
|
|
|
472
|
1 |
|
return new self($sub); |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
/** |
476
|
|
|
* Return a formatted string |
477
|
|
|
* |
478
|
|
|
* @return StringPrimitive |
479
|
|
|
*/ |
480
|
1 |
|
public function sprintf() |
481
|
|
|
{ |
482
|
1 |
|
$params = func_get_args(); |
483
|
1 |
|
array_unshift($params, $this->value); |
484
|
1 |
|
$formatted = call_user_func_array('sprintf', $params); |
485
|
|
|
|
486
|
1 |
|
return new self($formatted); |
487
|
|
|
} |
488
|
|
|
} |
489
|
|
|
|