php substr code example

Example 1: get last character of string php

substr("testers", -1); // returns "s"

Example 2: substr() php

<?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';
echo $string[0];                 // a
echo $string[3];                 // d
echo $string[strlen($string)-1]; // f

?>

//substr() function returns certain bits of a string

Example 3: take last four digits php

$newstring = substr($dynamicstring, -7);

Example 4: php get first character of string

$firstStringCharacter = substr("hello", 0, 1);

Example 5: take 10 character from string using php

$return_string = substr("Hi i am returning first 10 characters.", 0, 10);
Output:
"Hi i am re"

Example 6: php substr

<?php
$rest = substr("abcdef", 0, -1);  // "abcde"
$rest = substr("abcdef", 2, -1);  // "cde"
$rest = substr("abcdef", 4, -4);  // false
$rest = substr("abcdef", -3, -1); // "de"