Manuál PHP | ||
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PÅ™edcházejÃcà | Dalšà |
iconv_strpos
Popis
int iconv_strpos ( string haystack, string needle [, int offset [, string charset]] )Finds position of first occurrence of a needle within a haystack.
In contrast to strpos(), the return value of
iconv_strpos() is the number of characters that
appear before the needle, rather than the offset in bytes to the
position where the needle has been found. The characters are counted
on the basis of the specified character set charset
.
Seznam parametrů
haystack
The entire string.
needle
The searched substring.
offset
The optional
offset
parameter specifies the position from which the search should be performed.charset
If
charset
parameter is omitted,string
are assumed to be encoded in iconv.internal_encoding.
If haystack
or needle
is
not a string, it is converted to a string and applied as the ordinal
value of a character.
Návratové hodnoty
Returns the numeric position of the first occurrence of
needle
in haystack
.
If needle
is not found,
iconv_strpos() will return FALSE.
Varovánà |
Tato funkce může vracet booleovskou hodnotu FALSE, ale také nebooleovskou hodnotu odpovÃdajÃcà ohodnocenà FALSE, napÅ™Ãklad 0 nebo "". ÄŒtÄ›te prosÃm sekci o typu Boolean, kde najdete vÃce informacÃ. Pro testovánà návratové hodnoty této funkce použijte operátor ===. |
PÅ™edcházejÃcà | Domů | Dalšà |
iconv_strlen | Nahoru |