How to delete specified characters in a string in php

How to delete specified characters in a string in php

1. You can replace the specified characters with empty characters by using the "str_replace()" function , to achieve the effect of deleting the specified characters.

$str="abcdefg"; $str=str_replace('a','',$str); echo $str;

2. Use the "substr_replace()" function and the "strpos()" function together to replace the specified characters with empty characters.

$a = "abcababa"; $count=strpos($a,"ab"); $str=substr_replace($a,"",$count,2);

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