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Programming PHP, 3rd Edition by Peter MacIntyre, Kevin Tatroe, Rasmus Lerdorf

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Name

count

Synopsis

int count(mixed value[, int mode])

Returns the number of elements in the value; for arrays or objects, this is the number of elements; for any other value, this is 1. If the parameter is a variable and the variable is not set, 0 is returned. If mode is set and is COUNT_RECURSIVE, the number of elements is counted recursively, counting the number of values in arrays inside arrays.

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