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str_pad
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str_pad

(PHP4 >= 4.0.1)

str_pad -- Pad a string to a certain length with another string

Description

string str_pad (string input, int pad_length [, string pad_string [, int pad_type]])

This functions pads the input string on the left, the right, or both sides to the specifed padding length. If the optional argument pad_string is not supplied, the input is padded with spaces, otherwise it is padded with characters from pad_string up to the limit.

Optional argument pad_type can be STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH. If pad_type is not specified it is assumed to be STR_PAD_RIGHT.

If the value of pad_length is negative or less than the length of the input string, no padding takes place.

Example 1. str_pad() example


$input = "Alien";
print str_pad($input, 10);                      // produces "Alien     "
print str_pad($input, 10, "-=", STR_PAD_LEFT);  // produces "-=-=-Alien"
print str_pad($input, 10, "_", STR_PAD_BOTH);   // produces "__Alien___"

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