Php ส่วนข้อความอยู่ว่าอยู่ในข้อความ

รหัสตัวอย่าง

5
0

php เจอว่าส่วนข้อความอยู่ว่าอยู่ในข้อความ

$result = strpos("haystack", "needle");

if ($result != false)
{
  // text found
}
5
0

php บรรจุข้อความ

$mystring = 'abc';
$findme   = 'a';
$pos = strpos($mystring, $findme);
2
0

php ตรวจสอบว่าจะบรรจุข้อความ

// returns true if $needle is a substring of $haystack
function contains($haystack, $needle){
    return strpos($haystack, $needle) !== false;
}
2
0

ยังไงฉันตรวจสอบว่าเป็นบรรจุข้อความมีเหยื่อที่เป็นคำพูดน่ะเหรอ?

$a = 'Hello world?';

if (strpos($a, 'Hello') !== false) { //PAY ATTENTION TO !==, not !=
    echo 'true';
}
if (stripos($a, 'HELLO') !== false) { //Case insensitive
    echo 'true';
}

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