PHP strrpos() Function – Description, Parameters, Return Value, and Examples
The article explains PHP's strrpos() function, detailing its signature, how it finds the last occurrence of a needle in a haystack string, the meaning of its parameters and offset, the return values, and provides multiple code examples illustrating typical usage.
strrpos() calculates the position of the last occurrence of a needle string within a haystack string.
Signature:
int strrpos ( string $haystack , string $needle [, int $offset = 0] )Description: Returns the numeric position of the last occurrence of $needle in $haystack . In PHP 4, $needle must be a single character; if a string is given, only its first character is used.
Parameters:
$haystack – the string to search in.
$needle – the string to search for; if not a string it is converted to an integer character code.
$offset – optional offset; negative values start counting from the end of the string.
Return value: The position of $needle if found, otherwise FALSE .
Examples:
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