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1. PHP高效率写法 [100%]

...s (avg 0.002652 seconds) Split can take regular expressions as delimiters, and runs faster too. ~23% on average.  9.用i+=1代替i=i+1 .C语言就是这样写的。效率高些 10.循环的时候尽量用foreach代替for,while循环 11.用单引号代替双引号来包含字符串...

PHP 20151116

2. DB类基本操作 [86%]

... foreach ($where as $k=>$v) { $sql .= " AND {$k} = '{$v}'"; } }elseif (is_string($where)){ $sql .= ' AND '. $where; } } return $this->query($sql); } /** * @tod...

DB类基本操作 20151225