Php Kod Örnekleri 8

<?php
        echo strlen('Türkçe');                  # sonuç : 8
        echo '<br>';
        echo mb_strlen('Türkçe', utf-8');       # sonuç : 6
?>

 

<?php
        $ifade = '       PHP   ';
        
        echo strlen($ifade) . '<br>';             # sonuç : 13
        echo strlen(ltrim($ifade)) . '<br>';      # sonuç : 4
        echo strlen(rtrim($ifade)) . '<br>';      # sonuç : 4
        echo strlen(trim($ifade)) . '<br>';       # sonuç : 3
?>

 

<?php
        $ifade = 'Ankara';
        
        echo trim($ifade, 'A') . '<br>';  # sonuç : nkara
        echo trim($ifade, 'a') . '<br>';  # sonuç : Ankar
        echo trim($ifade, 'Aa') . '<br>'; # sonuç : nkar
        echo trim($ifade, 'ar') . '<br>'; # sonuç : Ank
?>

 

<?php
        $ifade = 'abcçde';
        echo substr($ifade, 2) . '<br>';  # sonuç : abcçde
        echo substr($ifade, 0, 3) . '<br>';       # sonuç : abc
        echo substr($ifade, 3, 2) . '<br>';       # sonuç : ç
        echo substr($ifade, -2) . '<br>'; # sonuç : de
        echo substr($ifade, 0, -1) . '<br>';      # sonuç : abcçd
        echo substr($ifade, -2, 1) . '<br>';      # sonuç : d
?>

 

<?php
        $ifade = 'abcçde';
        echo substr($ifade, 3, 2) . '<br>';               # sonuç : ç
        echo mb_substr($ifade, 3, 2, 'utf-8') . '<br>';   # sonuç : çd
?>

 

<?php
        $ifade = 'Işık ışığı yaktı.';
        echo substr_count($ifade, 'I') . '<br>';  # sonuç : 1
        echo substr_count($ifade, 'ı') . '<br>';  # sonuç : 5
        echo substr_count($ifade, 'Ş') . '<br>';  # sonuç : 0
        echo substr_count($ifade, 'yaktı') . '<br>';      # sonuç : 1
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $metin = 'bu Gün HaVa GüneŞLi.';
        echo strtolower($metin) . '<br>';
        echo strtoupper($metin) . '<br>';
        echo ucfirst($metin) . '<br>';
        echo lcfirst($metin) . '<br>';
        echo ucwords($metin) . '<br>';
?>

 

<?php
        echo mb_strtolower($metin, 'utf8') . '<br>';
        echo mb_strtoupper($metin, 'utf8') . '<br>';
        echo mb_convert_case($metin, MB_CASE_LOWER, 'utf8') . '<br>';
        echo mb_convert_case($metin, MB_CASE_UPPER, 'utf8') . '<br>';
        echo mb_convert_case($metin, MB_CASE_TITLE, 'utf8') . '<br>';
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = 'bir,iki,üç ve dört';
        $parca = explode(",", $ifade);
        echo "<pre>";
        print_r($parca);
        echo "<pre>";
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = 'Bugün hava güneşli.';
        echo str_replace('güneşli', 'yağmurlu', $ifade);
?>

 

<?php
        echo strrev("Hello world!");  # Sonuç: "!dlrow olleH"
?> 

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = "Bugün günlerden Pazar. Yarın Pazartesi.";
        $konum = stripos($ifade, 'pazar');
        echo $konum;
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = "Bugün günlerden Pazar. Yarın Pazartesi.";
        $konum = mb_stripos($ifade, 'pazar', 0, 'utf8');
        echo $konum;
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = '<strong>Kalın yazı</strong>';
        echo $ifade . '<br>';
        echo htmlentities($ifade);
?>

 

<?php
        header('content-type:text/html;charset=utf-8');
        $ifade = "<a href='dnm'>Deneme</a>";
        echo htmlspecialchars($ifade, ENT_QUOTES);
?>