3v4l.org

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<?php $samp = "This is an . examp-le0 tex' using & my '- ' - / Regex expression"; $samp = preg_replace('/[^A-Z0-9 ]+[^A-Z0-9\' -]/i', "", $samp); $samp = str_replace(" "," ",$samp); $jk = explode(" ",$samp); $i = sizeof($jk); $j = 0; $array=""; for($j=0;$j<$i-2;$j++) { $array[] = $jk[$j]." ".$jk[$j+1]." ".$jk[$j+2]; } print_r($array);
Output for 7.1.0 - 7.1.25, 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
Fatal error: Uncaught Error: [] operator not supported for strings in /in/VbZbo:12 Stack trace: #0 {main} thrown in /in/VbZbo on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
Array ( [0] => This is an [1] => is an . [2] => an . examp-le0 [3] => . examp-le0 tex' [4] => examp-le0 tex' using [5] => tex' using & [6] => using & my [7] => & my '- [8] => my '- ' [9] => '- ' - [10] => ' - / [11] => - / Regex [12] => / Regex expression )
preferences:
266.96 ms | 404 KiB | 425 Q