3v4l.org

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<?php $row = "LAX/SAF/ORL"; $row2 = "ORL/SFO"; $from = explode('/', $row); $to = explode('/', $row2); foreach ($from as $f){ foreach($to as $t) { echo $f . " -> " . $t . "<br />"; } }
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 - 5.6.40, 7.0.0 - 7.0.33, 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
LAX -> ORL<br />LAX -> SFO<br />SAF -> ORL<br />SAF -> SFO<br />ORL -> ORL<br />ORL -> SFO<br />

preferences:
300.79 ms | 406 KiB | 457 Q