3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "ABC01 ABC02 ABC03 ABC04 ABC05 ABC06 "; $text = explode("\n",str_replace("\r", "", $text)); $text = array_filter($text, 'trim'); $key = array_search("ABC04", $text); $text[$key-1] .= " - " . $text[$key]; Unset($text[$key]); Echo implode("<br>\n", $text);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
ABC01<br> ABC02<br> ABC03 - ABC04<br> ABC05<br> ABC06

preferences:
152.19 ms | 407 KiB | 5 Q