Php เช็คข้อความสำหรับอักขระ

รหัสตัวอย่าง

5
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ถ้าส่วนหนึ่งขอ stringp ph

$a = 'How are you?';

if (strpos($a, 'are') !== false) {
    echo 'true';
}
5
0

php บรรจุข้อความ

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

php ตรวจสอบว่าบรรจุข้อความเป็นอักขระ

$haystack = 'This is my haystack that we shall check'
$has_A = strpos($haystack, 'A') !== false;
$has_a = strpos($haystack, 'a') !== false;

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