The string Chr () function of PHP is used

Chr

• (PHP 4, PHP 5, PHP 7)
• Chr-return a specific character
• chr-returns the specified character

Description

chr($ascii)//Returns a one-character string containing the character specified by ascii.//返回相对应于 ascii 所指定的单个字符。//This function complements ord().//此函数与 ord() 是互补的。

Parametersascii

• The extended ASCII code.

• Ascii code.

• Values outside the valid range (0..255) would be a bitwise and ' Ed with 255, which was equivalent to the following algorithm:

  while($ascii0) {$ascii256;}$ascii256;

Return Values

• Returns the specified character.
• Returns the specified character.

Examples

<?php/*** Created by Phpstorm.* User:zhangrongxiang* DATE:2018/2/15* Time: PM 6:56 */ for ( $i= $; $i<127; $i++){Echo CHR( $i ).' ';    if ( $i%Ten==0 ){Echo Php_eol;}}/** A B C D E F* G H I J K L M N O P* Q R S T U V W X Y Z* [\] ^ _ ' a B c D* E F g h i j k l m N* O p q R S t u v w x* y z {|} ~ */Echo Php_eol;functionUnichr( $dec ){if ( $dec< - ){$utf=CHR( $dec );}Else if ( $dec<2048 ){$utf=CHR( 192+( ( $dec-( $dec% - ) )/ - ) );        $utf.=CHR(  -+( $dec% - ) );}Else{$utf=CHR( 224+( ( $dec-( $dec%4096 ) )/4096 ) );        $utf.=CHR(  -+( ( ( $dec%4096 )-( $dec% - ) )/ - ) );        $utf.=CHR(  -+( $dec% - ) );}return $utf;}//MediumEchoUnichr( 20013 ).Php_eol;//aEcho CHR( 321 ).Php_eol;//a + + = 321functionGenpass( $len=8 ){$passwd='';     for ( $i=0; $i<=$len; $i++){$passwd=sprintf( '%s%c ', isset( $passwd ) ? $passwd : NULL, Rand(  -, 122 ) );}return $passwd;}//vutr<oun;EchoGenpass( 8 ).Php_eol;functionUnichr2( $dec ){if ( $dec<0x80 ){$utf=CHR( $dec );}Else if ( $dec<0x0800 ){$utf=CHR( 0xC0+( $dec>>6 ) );        $utf.=CHR( 0x80+( $dec&0x3f ) );}Else if ( $dec<0x010000 ){$utf=CHR( 0xE0+( $dec>> A ) );        $utf.=CHR( 0x80+( ( $dec>>6 )&0x3f ) );        $utf.=CHR( 0x80+( $dec&0x3f ) );}Else if ( $dec<0x200000 ){$utf=CHR( 0xF0+( $dec>> - ) );        $utf.=CHR( 0x80+( ( $dec>> A )&0x3f ) );        $utf.=CHR( 0x80+( ( $dec>>6 )&0x3f ) );        $utf.=CHR( 0x80+( $dec&0x3f ) );}Else{ die( "UTF-8 character size is more than 4 bytes" );}return $utf;}functionUnichr3( $u ){return mb_convert_encoding( ' the '.intval( $u ).';', ' UTF-8 ', ' Html-entities ' );}EchoUnichr( 0x263a ).Php_eol;//?EchoUnichr2( 0x263a ).Php_eol;//?EchoUnichr3( 0x263a ).Php_eol;//?EchoUnichr( 0x263b ).Php_eol;//?EchoUnichr2( 0x263b ).Php_eol;//?EchoUnichr( 20013 ).Php_eol;//MediumEchoUnichr2( 20013 ).Php_eol;//MediumEchoUnichr3( 20013 ).Php_eol;//Medium

See

• http://php.net/manual/en/function.chr.php

All rights reserved

The string Chr () function of PHP is used