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PHP : Function Reference : String Functions : str_repeat

str_repeat

Repeat a string (PHP 4, PHP 5)
string str_repeat ( string input, int multiplier )

Returns input repeated multiplier times.

Parameters

input

The string to be repeated.

multiplier

Number of time the input string should be repeated.

multiplier has to be greater than or equal to 0. If the multiplier is set to 0, the function will return an empty string.

Return Values

Returns the repeated string.

Return Values

Example 2445. str_repeat() example

<?php
echo str_repeat("-=", 10);
?>

The above example will output:

-=-=-=-=-=-=-=-=-=-=


Related Examples ( Source code ) » str_repeat


Code Examples / Notes » str_repeat

21-jul-2003 06:45

str_repeat does not repeat symbol with code 0 on some (maybe all?) systems (tested on PHP Version 4.3.2 , FreeBSD 4.8-STABLE i386 ).
Use <pre>
while(strlen($str) < $desired) $str .= chr(0);
</pre> to have string filled with zero-symbols.


dakota

Note that the first argument is parsed only once, so it's impossible to do things like this:
echo str_repeat(++$i, 10);
The example will produce 10 times the value of $i+1, and will not do a cycle from $i to $i+10.


15-sep-2005 03:32

In reply to what Roland Knall wrote:
It is much simpler to use printf() or sprintf() for leading zeros.
<?php
  printf("%05d
\n",  1); // Will echo 00001
  sprintf("%05d
\n",  1); // Will return 00001
?>


alper kaya

If you want to hide a part of your password, you can use this code. It's very simple and might be required in your user management panel.
<?php
$password = "12345abcdef";
$visibleLength = 4; // 4 chars from the beginning
echo substr($password,0,4).str_repeat("*", (strlen($password)-$visibleLength));
?>


bryantspamw

(For the benefit of those searching the website:)
This is the equivalent of Perl's "x" (repetition) operator, for eg.  str_repeat("blah", 8) in PHP does the same thing as "blah" x 8 in Perl.


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