Php code or string completion

Php number or string completion PHP string automatic filling, automatic completion .? Method 1: define and use the sprintf () function to Write formatted strings into a variable .? Syntax sprintf (format, arg1, arg2, arg ++ )? Php numeric or string completion parameters

PHP string auto-filling and auto-completion.

?

Method 1:

Definition and usage

The sprintf () function writes formatted strings to a variable.

?

Syntax

sprintf(format,arg1,arg2,arg++)

? Parameter description

Format	Required. Conversion format.
Arg1	Required. Specifies the parameter inserted at the first % symbol in the format string.
Arg2	Optional. Specifies the parameter inserted at the second % symbol in the format string.
Arg ++	Optional. Specifies the parameters inserted to the third, fourth, and other % symbols in the format string.

Description

ParametersFormatIs the conversion format, starting from the percent sign ("%") to the end of the conversion character. PossibleFormatValue:

• %-Percentage sign returned
• % B-binary number
• % C-characters based on ASCII values
• % D-signed decimal number
• % E-resumable counting (for example, 1.5e + 3)
• % U-unsigned decimal number
• % F-floating point number (local settings aware)
• % F-floating point number (not local settings aware)
• % O-octal values
• % S-string
• % X-hexadecimal (lowercase letter)
• % X-hexadecimal (uppercase letters)

Parameters such as arg1, arg2, ++ are inserted to the percent sign (%) in the main string. This function is executed step by step. In the first % symbol, insert arg1, at the second % symbol, insert arg2, and so on.

?

?

 With no decimals: %1\$u",$number);echo $txt;//With 2 decimals: 123.00 //With no decimals: 123?>

?

?

"% 02 s"Indicates the output is a string or number with a length of 2. if the length is insufficient, the left side is supplemented with zero. if it is written as"% 2 sBy default, space is used for completion. if you want to use other characters for completion, you must add a single quotation mark before the character, that is, in the form of"% '#2 s"Indicates completion by the well number. Finally, if you want completion to happen on the right side of the string, add the minus sign after the percent sign."%-02 s".

?

Source: http://www.w3school.com.cn/php/func_string_sprintf.asp

?

Method 2:

Definition and usage

The str_pad () function fills the string with the specified length.

?

Syntax

str_pad(string,length,pad_string,pad_type)

? Parameter description

String	Required. Specifies the string to be filled.
Length	Required. Specify the length of the new string. If the value is smaller than the length of the original string, no operation is performed.
Pad_string	Optional. The specified string for filling. The default value is blank.
Pad_type	Optional. Specify the other side of the string to be filled. Possible values: STR_PAD_BOTH-fill in the two ends of the string. If it is not an even number, the right side will receive additional filling. STR_PAD_LEFT-fill in the left side of the string. STR_PAD_RIGHT-fill in the string to the right. This is the default one.

?

?

?

?

?

Source: http://www.w3school.com.cn/php/func_string_str_pad.asp

?

?

Method 3: incomplete digits only

?

?

?

?

The source of the post: http://justcoding.iteye.com/blog/998424

?

?

?