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<?php |
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namespace Robo\Common; |
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use Symfony\Component\Process\ProcessUtils; |
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/** |
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* Use this to add arguments and options to the $arguments property. |
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*/ |
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trait CommandArguments |
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{ |
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/** |
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* @var string |
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*/ |
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protected $arguments = ''; |
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/** |
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* Pass argument to executable. Its value will be automatically escaped. |
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* |
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* @param string $arg |
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* |
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* @return $this |
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*/ |
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public function arg($arg) |
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{ |
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return $this->args($arg); |
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} |
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/** |
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* Pass methods parameters as arguments to executable. Argument values |
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* are automatically escaped. |
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* |
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* @param string|string[] $args |
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* |
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* @return $this |
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*/ |
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public function args($args) |
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{ |
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if (!is_array($args)) { |
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$args = func_get_args(); |
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} |
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$this->arguments .= ' ' . implode(' ', array_map('static::escape', $args)); |
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return $this; |
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} |
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/** |
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* Pass the provided string in its raw (as provided) form as an argument to executable. |
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* |
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* @param string $arg |
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* |
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* @return $this |
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*/ |
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public function rawArg($arg) |
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{ |
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$this->arguments .= " $arg"; |
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return $this; |
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} |
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/** |
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* Escape the provided value, unless it contains only alphanumeric |
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* plus a few other basic characters. |
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* |
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* @param string $value |
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* |
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* @return string |
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*/ |
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public static function escape($value) |
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{ |
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if (preg_match('/^[a-zA-Z0-9\/\.@~_-]+$/', $value)) { |
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return $value; |
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} |
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return ProcessUtils::escapeArgument($value); |
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} |
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/** |
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* Pass option to executable. Options are prefixed with `--` , value can be provided in second parameter. |
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* Option values are automatically escaped. |
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* |
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* @param string $option |
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* @param string $value |
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* @param string $separator |
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* |
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* @return $this |
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*/ |
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public function option($option, $value = null, $separator = ' ') |
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{ |
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if ($option !== null and strpos($option, '-') !== 0) { |
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$option = "--$option"; |
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} |
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$this->arguments .= null == $option ? '' : " " . $option; |
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$this->arguments .= null == $value ? '' : $separator . static::escape($value); |
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return $this; |
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} |
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/** |
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* Pass multiple options to executable. The associative array contains |
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* the key:value pairs that become `--key value`, for each item in the array. |
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* Values are automatically escaped. |
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*/ |
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public function options(array $options, $separator = ' ') |
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{ |
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foreach ($options as $option => $value) { |
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$this->option($option, $value, $separator); |
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} |
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return $this; |
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} |
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/** |
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* Pass an option with multiple values to executable. Value can be a string or array. |
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* Option values are automatically escaped. |
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* |
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* @param string $option |
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* @param string|array $value |
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* @param string $separator |
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* |
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* @return $this |
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*/ |
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public function optionList($option, $value = array(), $separator = ' ') |
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{ |
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if (is_array($value)) { |
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foreach ($value as $item) { |
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$this->optionList($option, $item, $separator); |
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} |
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} else { |
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$this->option($option, $value, $separator); |
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} |
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return $this; |
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} |
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} |
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consolidation /
robo
Loading history...
PHP has two types of connecting operators (logical operators, and boolean operators):
and&&or||The difference between these is the order in which they are executed. In most cases, you would want to use a boolean operator like
&&, or||.Let’s take a look at a few examples:
Logical Operators are used for Control-Flow
One case where you explicitly want to use logical operators is for control-flow such as this:
Since
dieintroduces problems of its own, f.e. it makes our code hardly testable, and prevents any kind of more sophisticated error handling; you probably do not want to use this in real-world code. Unfortunately, logical operators cannot be combined withthrowat this point:These limitations lead to logical operators rarely being of use in current PHP code.