Answer Posted / arvind pippal(delhi)

strstr() function is used to return the sub string from
first occurrence of string point from the string base.If
string point is not found, returns FALSE. syntax: strstr
(string base,string point)
examle: <?php
$email = 'arvindpippal@gmail.com';
$domain = strstr($email, '@');
echo $domain;
?>
output: @gmail.com
stristr() does the same thing in Case-insensitive manner

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