Vyberte 6 písmen v reťazci pomocou php

Príklady kódu

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tlačte iba niektoré znaky reťazca v php

substr(string,start,length)
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php trim reťazec na dĺžku

<?php
echo substr('abcdef', 1);     // bcdef
echo substr('abcdef', 1, 3);  // bcd
echo substr('abcdef', 0, 4);  // abcd
echo substr('abcdef', 0, 8);  // abcdef
echo substr('abcdef', -1, 1); // f

// Accessing single characters in a string
// can also be achieved using "square brackets"
$string = 'abcdef';

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