NOT WORKING: Showing three calendars with three different months

Could this be because you are not passsing the generate() method a valid integer? As i see you are passing date('m',strtotime(...)...)

'm' inside date() would return you with a number with "0" in front of it for months 1 to 9 (so, a string...). So maybe you should put 'n' instead of 'm' as the first parameter of date() or typecasting the value to an integer before passing it to the generate()?

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