Ak chcete skontrolovať, či existuje podreťazec v php

Príklady kódu

2
0

Ako môžem skontrolovať, ak reťazec obsahuje konkrétne slovo?

$a = 'Hello world?';

if (strpos($a, 'Hello') !== false) { //PAY ATTENTION TO !==, not !=
    echo 'true';
}
if (stripos($a, 'HELLO') !== false) { //Case insensitive
    echo 'true';
}
2
0

Ako môžem skontrolovať, či reťazec obsahuje konkrétne slovo?

$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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