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php variable circular reference

 
Php Variable Circular References

Circular-references has been a long outstanding issue with PHP. They are
caused by the fact that PHP uses a reference counted memory allocation
mechanism for its internal variables. This causes problems for longer
running scripts (such as an Applicatio ......

jquery php ajax json

just get a json
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<html>
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<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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