How to remove specified string in php

php method to remove the specified string: first create a PHP sample file; then remove the specified string through the "substr_replace($a,"",$count,2);" method; finally output the result through echo That’s it.

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PHP code to find the specified string in the string and delete it

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

Output result: cababa

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