- Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- string(6) "fghend"
<?php
/**
* Find substring starting in string, starting from some symbol(s)
* @param string $haystack
* @param string $needle
* @return string
*/
function my_strstr(string $haystack, string $needle): string
{
for($i = 0; $i < strlen($haystack); $i++) {
if($haystack[$i] == $needle[0]) {
$eq = true;
for($j = 0; $j < strlen($needle); $j++) {
if($haystack[$i + $j] !== $needle[$j]) {
$eq = false;
break;
}
}
if($eq) {
return substr($haystack, $i);
}
}
}
}
var_dump(my_strstr('asdfghend', 'fg')); // 'fghend';