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mb_strrchr

Description

The mb_strrchr of Multibyte String for PHP finds the last occurrence of a character in a string within another.

Syntax

mb_strrchr(
    string $haystack,
    string $needle,
    bool $before_needle = false,
    ?string $encoding = null
): string|false

Parameters

haystack

The string from which to get the last occurrence of needle

needle

The string to find in haystack

before_needle

Determines which portion of haystack this function returns. If set to true, it returns all of haystack from the beginning to the last occurrence of needle. If set to false, it returns all of haystack from the last occurrence of needle to the end,

encoding

Character encoding name to use. If it is omitted, internal character encoding is used.

Return

Returns the portion of haystack. or false if needle is not found.

Examples

1 · haystack needle

<?

$haystack = 'string🐘string🐘string';
$needle = '🐘string';

$return = mb_strrchr($haystack, $needle);

echo $return;

?>
🐘string

2 · before_needle

<?

$haystack = 'string🐘string🐘string';
$needle = '🐘string';
$before_needle = true;

$return = mb_strrchr($haystack, $needle, $before_needle);

echo $return;

?>
string🐘string

3 · encoding

<?

$haystack = 'string🐘string🐘string';
$needle = '🐘string';
$before_needle = true;
$encoding = 'UTF-8';

$return = mb_strrchr($haystack, $needle, $before_needle, $encoding);

echo $return;

?>
string🐘string
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