How to remove leading 0 in php

php method to remove leading 0: 1. Create a PHP sample file; 2. Use the "ltrim($str, '0');" method to remove the "0" on the left side of the string.

The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

How to remove leading 0 in php?

It is very simple to remove leading 0s, just use the ltrim function.

To remove leading 0s, just use the following code:

$str = ltrim($str, '0');

ltrim() function removes whitespace characters or other predefined characters on the left side of the string.

Parameters:

string required. Specifies the string to check.

charlist optional. Specifies which characters are removed from the string. If this parameter is omitted, all of the following characters are removed:

"\0" - NULL

"\t" - Tab

"\n" - Newline

"\x0B" - vertical tab

"\r" - carriage return

" " - space

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