Crucigrama forbidden php functionsVersión en línea noy allowed functions in system exam por jorge verdu 1 Sort multiple or multi-dimensional arrays 2 numeric short method 3 Return an array with elements in reverse order 4 Searches the array for a given value and returns the first corresponding key if successful 5 Computes the difference of arrays by using a callback function for data comparison 6 Fill an array with values 7 Calculate the sum of values in an array 8 key short method 9 Sort an array and maintain index association 5 7 3 2 8 4 9
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