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R3m/framework Function reference string.position.first.occurrence.case.insensitive

{string.position.first.occurrence.case.insensitive(String $haystack, String $needle, Int $offset=0)}

Find the position of the last occurrence of a case-insensitive substring in a string.

Find the numeric position of the last occurrence of needle in the haystack string.

offset

If specified, search will start this number of characters counted from the beginning of the string.  
If the offset is negative, the search will start this number of characters counted from the end of the string.

Returns the position as an integer of where the needle exists relative to the beginning of the haystack string (independent of offset). Also note that string positions start at 0, and not 1. Returns false if the needle was not found.

More information:

https://www.php.net/manual/en/function.strrpos.php

Last modified: 2021-06-07

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