What are the functions for removing spaces in php?

藏色散人
Release: 2023-03-04 14:58:02
Original
2296 people have browsed it

php functions to remove spaces are: 1. Use the trim function to remove ordinary spaces on both sides of the string; 2. Use the str_replace function to remove spaces in the string; 3. Use the php strtr function to remove spaces.

What are the functions for removing spaces in php?

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Removing spaces from strings in php

1. Use the php function trim():

 trim($str)
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to remove ordinary spaces on both sides of the string;

2. Use the php function: str_replace():

str_replace(' ','',$str)
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3. Use the php function: strtr():

strtr($str,array(' '=>''))
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4. Use the encapsulation function you wrote:

function trimall($str)//删除空格
{
    $limit=array(" "," ","\t","\n","\r");
    $rep=array("","","","","");
    return str_replace($limit,$rep,$str); 
}
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5. Use this regular expression to remove ordinary spaces:

preg_replace('# #', '', $str)
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6. Use this regular expression to remove all spaces including full-width spaces:

$str =preg_replace("/\s| /","",$str);
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