Online PHP editor | output for ocRD7

@ 2022-06-15T07:14:45Z

<?php

function firstNWords(string $string, int $limit = 3) {
    return preg_replace("/(?:\W*\w+){{$limit}}\K.*/", '', $string);   
}

var_dump(firstNWords("hello yes, world wah ha ha"));  # => "hello yes, world"
var_dump(firstNWords("hello yes,world wah ha ha"));   # => "hello yes,world"
var_dump(firstNWords("hello yes world wah ha ha"));   # => "hello yes world"
var_dump(firstNWords("hello yes world"));  # => "hello yes world"
var_dump(firstNWords("hello yes world.")); # => "hello yes world"
var_dump(firstNWords("hello yes"));  # => "hello yes"
var_dump(firstNWords("hello"));  # => "hello"
var_dump(firstNWords("a")); # => "a"
var_dump(firstNWords(""));  # => ""

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: string(16) "hello yes, world" string(15) "hello yes,world" string(15) "hello yes world" string(15) "hello yes world" string(15) "hello yes world" string(9) "hello yes" string(5) "hello" string(1) "a" string(0) ""
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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