(PHP 5, PHP 7)
stripos — 锟斤拷锟斤拷锟街凤拷锟斤拷锟阶次筹拷锟街碉拷位锟矫ｏ拷锟斤拷锟斤拷锟街达拷小写锟斤拷
$haystack
, string $needle
[, int $offset = 0
] ) : int
锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷 haystack 锟斤拷 needle 锟阶次筹拷锟街碉拷锟斤拷锟斤拷位锟矫★拷
锟斤拷 strpos() 锟斤拷同锟斤拷stripos() 锟斤拷锟斤拷锟街达拷小写锟斤拷
haystack锟节革拷锟街凤拷锟斤拷锟叫诧拷锟揭★拷
needle
注锟斤拷 needle 锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟街凤拷锟斤拷锟竭讹拷锟街凤拷锟斤拷锟街凤拷锟斤拷锟斤拷
锟斤拷锟� needle 锟斤拷锟斤拷一锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷转锟斤拷为锟斤拷锟酵诧拷锟斤拷锟斤拷为锟街凤拷顺锟斤拷值锟斤拷
offset
锟斤拷选锟斤拷 offset 锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟侥匡拷始位锟矫斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷歉锟斤拷锟斤拷锟斤拷痛锟斤拷址锟侥┪诧拷锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟绞纪筹拷啤锟�
锟斤拷锟斤拷 needle 锟斤拷锟斤拷锟斤拷 haystack 锟街凤拷锟斤拷锟斤拷始锟斤拷位锟斤拷(锟斤拷锟斤拷锟斤拷偏锟斤拷锟斤拷)锟斤拷同时注锟斤拷锟街凤拷锟斤拷位锟斤拷锟斤拷始锟斤拷 0锟斤拷锟斤拷锟斤拷锟斤拷 1锟斤拷
锟斤拷锟轿达拷锟斤拷锟� needle 锟斤拷锟斤拷锟斤拷 FALSE锟斤拷
锟剿猴拷锟斤拷锟斤拷锟杰凤拷锟截诧拷锟斤拷值
FALSE锟斤拷锟斤拷也锟斤拷锟杰凤拷锟截碉拷同锟斤拷 FALSE 锟侥非诧拷锟斤拷值锟斤拷锟斤拷锟侥讹拷 锟斤拷锟斤拷锟斤拷锟斤拷锟铰斤拷锟皆伙拷取锟斤拷锟斤拷锟斤拷息锟斤拷应使锟斤拷
===
锟斤拷锟斤拷锟�锟斤拷锟斤拷锟皆此猴拷锟斤拷锟侥凤拷锟斤拷值锟斤拷
| 锟芥本 | 说锟斤拷 |
|---|---|
| 7.1.0 |
锟斤拷始支锟街革拷锟斤拷锟斤拷 offset锟斤拷
|
Example #1 stripos() 锟斤拷锟斤拷
<?php
$findme = 'a';
$mystring1 = 'xyz';
$mystring2 = 'ABC';
$pos1 = stripos($mystring1, $findme);
$pos2 = stripos($mystring2, $findme);
// 'a' 锟斤拷然锟斤拷锟斤拷 'xyz' 锟斤拷
if ($pos1 === false) {
echo "The string '$findme' was not found in the string '$mystring1'";
}
// 注锟斤拷锟斤拷锟斤拷使锟矫碉拷锟斤拷 ===锟斤拷锟津单碉拷 == 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
// 锟斤拷为 'a' 锟斤拷位锟斤拷锟斤拷 0锟斤拷锟斤拷一锟斤拷锟街凤拷锟斤拷锟斤拷
if ($pos2 !== false) {
echo "We found '$findme' in '$mystring2' at position $pos2";
}
?>
Note: 锟剿猴拷锟斤拷锟缴帮拷全锟斤拷锟节讹拷锟斤拷锟狡讹拷锟斤拷