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<?php echo "Compare two numeric strings (same semantic 1): (NAN == 0) = " . (NAN == 0 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 2): (NAN > 1 ) = " . (NAN > 0 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 3): (NAN < 1) = " . (NAN < 0 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 4): (NAN == -1) = " . (NAN == -1 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 5): (NAN > -1) = " . (NAN > -1 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 6): (NAN > -1) = " . (NAN > -1 ? 'true' : 'false') . "\n";
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
Compare two numeric strings (same semantic 1): (NAN == 0) = false Compare two numeric strings (same semantic 2): (NAN > 1 ) = false Compare two numeric strings (same semantic 3): (NAN < 1) = false Compare two numeric strings (same semantic 4): (NAN == -1) = false Compare two numeric strings (same semantic 5): (NAN > -1) = false Compare two numeric strings (same semantic 6): (NAN > -1) = false
Output for 4.3.6 - 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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Compare two numeric strings (same semantic 1): (NAN == 0) = false Compare two numeric strings (same semantic 2): (NAN > 1 ) = true Compare two numeric strings (same semantic 3): (NAN < 1) = true Compare two numeric strings (same semantic 4): (NAN == -1) = false Compare two numeric strings (same semantic 5): (NAN > -1) = true Compare two numeric strings (same semantic 6): (NAN > -1) = true
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 2 Compare two numeric strings (same semantic 1): (NAN == 0) = true Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 3 Compare two numeric strings (same semantic 2): (NAN > 1 ) = false Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 4 Compare two numeric strings (same semantic 3): (NAN < 1) = false Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 5 Compare two numeric strings (same semantic 4): (NAN == -1) = false Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 6 Compare two numeric strings (same semantic 5): (NAN > -1) = true Notice: Use of undefined constant NAN - assumed 'NAN' in /in/kSm53 on line 7 Compare two numeric strings (same semantic 6): (NAN > -1) = true

preferences:
207.68 ms | 403 KiB | 314 Q