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PHP stripos() Function

The stripos() is predefine function of PHP. It is used to find the position of the first occurrence of a string inside another string.

Note: This function is case-insensitive and binary safe.

Syntax:

Parameter Description Required/Optional
string Specify the string to search. Required.
find Specify he string to find. Required.
start Specify where to begin the search. Optional.

Example 1

Output:

0

Example 2

Output:

Before stripos() function: PHP is My Fav Language
After using stripos(): 1

Note: There is one whitespace when PHP start so 'stripos() function is used to fiind the position of the first occurrence of "php" inside the string.

Reference:

http://php.net/manual/en/function.stripos.php
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