php obtient le premier caractère de la chaîne
$firstStringCharacter = substr("hello", 0, 1);
Grepper
$firstStringCharacter = substr("hello", 0, 1);$return_string = substr("Hi i am returning first 10 characters.", 0, 10);
Output:
"Hi i am re"
<?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 <?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';substr(string,start,length)explode(separator, OriginalString, NoOfElements)
or
str_split(string $string, int $length = 1): array
string
The input string.
length
Maximum length of the chunk.