How to remove the leading 0 in php

php method to remove the previous 0: 1. Use the [$number 0;] method; 2. Use the [preg_replace('/^0 /','',$number);] method; 3. Use the [intval($number);] method.

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Specific questions:

How to remove the 0 in front of the number in php? When 01 is entered, only 1 is taken without 0

Implementation method:

$number = '0101.01';

Method 1:

echo $number+0;

Method 2:

echo preg_replace('/^0+/','',$number)；

If $number = '0101'; only numbers are combined, you can also use the following methods

Method 3:

echo intval($number);

Method Four:

echo (int)$number;

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