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<?php |
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namespace Rde; |
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// array |
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// 效能先決,不做多餘檢查 |
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function is_array($arg) |
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{ |
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return \is_array($arg) || \is_a($arg, 'ArrayAccess'); |
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} |
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function array_get($arr, $key, $default = null) |
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{ |
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if (array_key_exists($key, $arr)) { |
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return $arr[$key]; |
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} |
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return value($default); |
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} |
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// 參數順序同 array_map |
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// callback 傳入參數順序 $key, $val |
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function array_each($callback) |
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{ |
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foreach (array_slice(func_get_args(), 1) as $i => $arr) { |
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foreach ($arr as $k => $v) { |
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if (false === $callback($k, $v)) { |
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break; |
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} |
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} |
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} |
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} |
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function array_first($arr, $callback, $default = null) |
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{ |
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foreach ($arr as $k => $v) { |
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if ($callback($k, $v)) { |
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return $v; |
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} |
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} |
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return value($default); |
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} |
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function array_merge_callback($driver, array $base) |
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{ |
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$collection = $base; |
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$appends = array_slice(func_get_args(), 2); |
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foreach ($appends as $append) { |
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foreach ($append as $k => $v) { |
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$driver( |
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$v, |
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$k, |
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$collection, |
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$driver); |
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} |
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} |
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return $collection; |
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} |
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// tool |
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function call($callable, array $args = array()) |
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{ |
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switch (count($args)) { |
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case 0: return call_user_func($callable); |
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case 1: return call_user_func($callable, $args[0]); |
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case 2: return call_user_func($callable, $args[0], $args[1]); |
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case 3: return call_user_func($callable, $args[0], $args[1], $args[2]); |
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case 4: return call_user_func($callable, $args[0], $args[1], $args[2], $args[3]); |
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} |
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return call_user_func_array($callable, $args); |
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} |
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function value($val) |
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{ |
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return $val instanceof \Closure ? $val() : $val; |
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} |
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function with($any) |
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{ |
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return $any; |
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} |
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// debug |
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function dd() |
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{ |
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call_user_func_array('var_dump', func_get_args()); |
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die; |
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} |
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According to the PSR-2, the body of a case statement must start on the line immediately following the case statement.
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.