Returns the position of where the needle exists relative to the beginning of the haystack string (independent of offset). Also note that string positions start ...

I've got a simple method of performing a reverse strpos which may be of use. This version I have treats the offset very simply: Positive offsets search ...

Performs a multi-byte safe strpos() operation based on number of characters. The first character's position is 0, the second character position is 1, and so on.

Returns part of haystack string starting from and including the first occurrence of needle to the end of haystack . Note: This function is case-sensitive. For ...

May 27, 2005 · I was looking for a function to find the common substring in 2 different strings. ... http://php.net/ucfirst · http://php.net ... web design goal ...

Addcslashes · Strlen · Chunk_split · Chop

The optional offset parameter allows you to specify where in haystack to start searching as an offset in grapheme units (not bytes or characters). If the offset ...

The function returns an empty string where it previously returned false . Examples ¶. Example #3 Basic substr() usage. <?php echo ...

Substr · Mb_substr · Strrchr · Trim

Thus, PHP's strlen function can be used to find the number of bytes in a binary string (for example, binary data returned by base64_decode). up.

Returns false if the needle was not found. Warning. This function may return Boolean false , but may also return a non-Boolean value which evaluates to false .