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run code in 300+ PHP versions simultaneously
<?php // suppose this is your mysql data, each inner pair is a 'to', 'from' $rows = array( array(1,6), array(7,10), array(8,12) ); list($a, $b) = current($rows); $downtime = $b - $a; while( list($c, $d) = next($rows) ) { $downtime += $d - $c - max(0, min($d,$b)-$c); if( $c >= $b ) $a = $c; $b = max($b,$d); } echo "total down time is " , $downtime; ?>
Output for 8.5.0
Warning: Cannot use bool as array in /in/Q2phs on line 13 Warning: Cannot use bool as array in /in/Q2phs on line 13 total down time is 10
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
total down time is 10
preferences:
186.65 ms | 411 KiB | 5 Q