How to remove the first string in php

php method to remove the first string of a string; first create a PHP code sample file; then enter the code statement as "substr('string',1);"; finally execute it in the browser This file can successfully remove the first string in the specified string.

Delete the first character of the string

substr('string',1) ;

substr() function definition and usage

substr() function returns a part of a string.

Note: If the start parameter is negative and length is less than or equal to start, length is 0.

Syntax

substr(string,start,length)

Parameters

string Required. Specifies a part of the string to be returned.

start Required. Specifies where in the string to begin.

Positive number - starts at the specified position in the string

Negative number - starts at the specified position from the end of the string

0 - at the first character in the string Start at

length Optional. Specifies the length of the string to be returned. The default is until the end of the string.

Positive number - Returns from the position of the start parameter

Negative number - Returns from the end of the string

Return value: Returns the extracted part of the string, returns FALSE if it fails , or return an empty string.

Update log: In PHP 5.2.2 to 5.2.6 versions, if the start parameter represents a negative truncation or an out-of-bounds position, FALSE is returned. Other versions get the string starting at the start position.

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