Fatal error operator not supported for strings

Question

I m getting information from database  saving it in array and echoing it in a form with loop structure and I m having problems when I try to save the modified information to database  I m getting this error   Fatal error     operator not supported for strings in      Code   namesql1    quot SELECT name date text date2 FROM table WHERE something    something  quot    nameresult1   mysql query  namesql1    countrows   mysql num rows  nameresult1   while   row   mysql fetch array  nameresult1  MYSQL ASSOC          name      row  name         date      row  date         text      row  text         date2      row  date2            SOME CODE HERE            wrotesql    quot UPDATE service report SET  name    name     date     date   text     text  nro    ser date     date2  nro   WHERE something     something   quot     wroteresult   mysql query  wrotesql    Could somebody please give me a hint what I m doing wrong

User · Answer

Solved   a  index          a  index        another value    a  index        another value    a  index        another value    a  index        another value

User · Answer

I agree with Jeremy Young s comment on Phils answer   I have found that this can be a problem associated with migrating from php 5 to php 7  php 5 was more tolerant of amibiguity in whether a variable was an array or not than php 7 is  In most cases the solution is to declare the array explicitly  as explained in this answer   I was just trouble shooting a Wordpress plugin after the migration of php5 to php7  Since the plugin code was relying on user input  and it was intrinsically used in the code either as string  or as array  I added the following code in to prevent a fatal error  if is array  variable either string or array           if it s an array  declaration is allowed       variable either string or array    additionalInfoData  i    else         if it s not an array  declaration it as follows       variable either string or array  additionalInfoData  i      This was the only modification I needed to add to make the plugin php7-proof  Obviously not  quot best practices quot   I d rather read and understand the full code   but a quick fix was needed

User · Answer

this was available in php 5 6 in php 7  you should declare the array first   users   array       not  users       users      762

User · Answer

I had similar situation      foo   array     foo      test      error      foo      test      working fine

User · Answer

You have probably defined  name   date   text or  date2 to be a string  like    name    String     Then if you treat it like an array it will give that fatal error    name      new value      fatal error   To solve your problem just add the following code at the beginning of the loop    name   array     date   array     text   array     date2   array      This will reset their value to array and then you ll able to use them as arrays

User · Answer

Such behavior is described in Migrating from PHP 7 0 x to PHP 7 1 x      The empty index operator is not supported for strings anymore    Applying the empty index operator to a string  e g   str      x  throws a fatal error instead of converting silently to array    In my case it was a mere initialization  I fixed it by replacing  foo    with  foo       foo      foo    test   print r  foo

User · Answer

You get this error when attempting to use the short array push syntax on a string   For example  this   foo    foo    foo      bar      ERROR    I d hazard a guess that one or more of your  name   date   text or  date2 variables has been initialised as a string   Edit  Looking again at your question  it looks like you don t actually want to use them as arrays as you re treating them as strings further down   If so  change your assignments to    name    row  name     date    row  date     text    row  text     date2    row  date2        It seems there are some issues with PHP 7 and code using the empty-index array push syntax   To make it clear  these work fine in PHP 7    previouslyUndeclaredVariableName      value      creates an array and adds one entry   emptyArray          creates an array  emptyArray      value      pushes in an entry   What does not work is attempting to use empty-index push on any variable declared as a string  number  object  etc  ie   declaredAsString        declaredAsString      value     declaredAsNumber   1   declaredAsNumber      value     declaredAsObject   new stdclass     declaredAsObject      value     All result in a fatal error

[php] Fatal error: [] operator not supported for strings

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