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;