range() returns an array of elements from low to high, inclusive. If low > high, the sequence will be from high to low.
New parameter: The optional step parameter was added in 5.0.0.
If a step value is given, it will be used as the increment between elements in the sequence. step should be given as a positive number. If not specified, step will default to 1.
Example 1. range() examples
Note: Prior to PHP 4.1.0, range() only generated incrementing integer arrays. Support for character sequences and decrementing arrays was added in 4.1.0. Character sequence values are limited to a length of one. If a length greater than one is entered, only the first character is used.
In PHP versions 4.1.0 through 4.3.2, range() sees numeric strings as strings and not integers. Instead, they will be used for character sequences. For example, "4242" is treated as "4".
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