<?php
$pattern = '/((?<!\w)#\w+)/i';
$subject = <<<EOT
Blablalb #toto zdjsdf #ho_yeah
EOT;
$hashtags = [];
$result = preg_replace_callback('/(\s#\w+)/i', function ($matches) use(&$hastags) {
var_dump($matches);
$hashtags[] = trim($matches[0]);
return '';
}, $subject);
var_dump($result, $hashtags);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(2) {
[0]=>
string(6) " #toto"
[1]=>
string(6) " #toto"
}
array(2) {
[0]=>
string(9) " #ho_yeah"
[1]=>
string(9) " #ho_yeah"
}
string(15) "Blablalb zdjsdf"
array(0) {
}
- Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/jqu3A on line 8
Process exited with code 255. - Output for 4.4.2, 5.1.2
- Parse error: syntax error, unexpected '[' in /in/jqu3A on line 9
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/jqu3A on line 8
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/jqu3A on line 8
Process exited with code 255.
preferences:
272.66 ms | 401 KiB | 358 Q