Conditions | 3 |
Paths | 3 |
Total Lines | 10 |
Code Lines | 6 |
Lines | 0 |
Ratio | 0 % |
Tests | 0 |
CRAP Score | 12 |
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Bugs | 0 | Features | 0 |
1 | <?php |
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85 | protected static function _substr($string, $start, $end, $encoding = null) |
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86 | { |
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87 | if (function_exists('mb_substr')) { |
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88 | $encoding or $encoding = self::_detectEncoding($string); |
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89 | |||
90 | return mb_substr($string, $start, $end, $encoding); |
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91 | } else { |
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92 | return substr($string, $start, $end); |
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93 | } |
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94 | } |
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95 | } |
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96 |
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
die
introduces 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 withthrow
at this point:These limitations lead to logical operators rarely being of use in current PHP code.