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This happens with code similar to xyz->method() where xyz is not an object and therefore that method can not be called. This ...
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This simply happens if you try to treat an array as a string: $arr = array ( 'foo' , 'bar' ); echo $arr ; // Notice:...
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function foo() { var result; $.ajax({ url: '...', success: function (response) { result = res...
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use INSERT IGNORE INTO table see http://bogdan.org.ua/2007/10/18/mysql-insert-if-not-exists-syntax.html there's also INSERT … ON D...
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