<?php $map = [ 's' => 'secs', 'm' => 'mins', 'h' => 'hrs', 'd' => 'days', ]; $opts = implode('|', array_keys($map)); $tests = [ "Some text I don't care about | 2.3 seconds ago", "Some text I don't care about | 5.2 minutes ago", "Some text I don't care about | 7.0 hours ago", "Some text I | don't care about | 1.9 days ago", ]; foreach ($tests as $test) { echo preg_replace_callback( "#^.*\|\s*(\d+\.\d+) ([$opts]).*#", fn($m) => $m[1] . ' ' . $map[$m[2]], $test ) . "\n"; }
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Value for `_results` contains invalid data `array`