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Parse == and === (double equal sign, triple equal sign) in php

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2016-07-25 08:57:111379browse
  2. if($config['urlrewrite']==1)
  3. or
  4. if($config['urlrewrite']==='1')
  5. to judge.
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Instructions: $a == $b;// Equal TRUE if $a is equal to $b. $a === $b;// Identical TRUE if $a is equal to $b, and they are of the same type. (introduced in PHP 4) means: == does not determine whether the two are of the same data type, while === is a more strict comparison. It not only requires that the two values ​​​​are equal, but also requires that their data types are also the same.



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