memory - php type casting usability for minimization -

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is there difference in php 5.* between 

 1.  $variable = (int) 1111;

vs.

 2.  $variable = '1111';

in terms of physical resources eg. memory usage.

please ideas.

if take consideration following page says:

it should clear structures above variable can of 1 type, variable data represented appropriate field in zval_value union.

that means answer question is: yes. there difference in amount of memory used based on variable really represented internally.

the comments under question tackling other issues, such viability etc. refrain dealing that.


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