str_repeat
- (PHP 4, PHP 5, PHP 7)
- str_repeat — Repeat a string
- str_repeat — 重复一个字符串
Description
string str_repeat ( string $input , int $multiplier )
//Returns input repeated multiplier times.
//返回 input 重复 multiplier 次后的结果。
Parameters
input
- The string to be repeated.
- 待操作的字符串。
multiplier
-
Number of time the input string should be repeated.
-
input 被重复的次数。
-
multiplier has to be greater than or equal to 0. If the multiplier is set to 0, the function will return an empty string.
-
multiplier 必须大于等于 0。如果 multiplier 被设置为 0，函数返回空字符串。
Return Values
- Returns the repeated string.
- 返回重复后的字符串。
Examples
<?php
/**
* Created by PhpStorm.
* User: zhangrongxiang
* Date: 2018/2/20
* Time: 下午11:50
*/
//------------------------------
echo str_repeat( "-", 30 ) . PHP_EOL;
//******************************
echo str_repeat( "*", 30 ) . PHP_EOL;
////////////////////////////////////////////////////////////////
$input = 'bar';
$multiplier = 5;
$separator = ',';
//bar,bar,bar,bar,bar
echo implode( $separator, array_fill( 0, $multiplier, $input ) ) . PHP_EOL;
//?,?,?
echo implode( ',', array_fill( 0, 3, '?' ) ) . PHP_EOL;
$my_head = str_repeat( "°~", 35 );
echo strlen( $my_head ) . PHP_EOL; // 105
echo mb_strlen( $my_head, 'UTF-8' ) . PHP_EOL; // 70
echo strlen( "°" ) . PHP_EOL;//2
echo strlen( "~" ) . PHP_EOL;//1
//°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~
echo $my_head . PHP_EOL;