3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "('1e1' == '10') = " . ('1e1' == '10' ? 'true' : 'false') . "\n"; echo "('1E1' == '10') = " . ('1E1' == '10' ? 'true' : 'false') . "\n"; echo "('1e-1' == '0.1') = " . ('1e-1' == '0.1' ? 'true' : 'false') . "\n"; echo "('1E-1' == '0.1') = " . ('1E-1' == '0.1' ? 'true' : 'false') . "\n"; echo "('+1' == '1') = " . ('+1' == '1' ? 'true' : 'false') . "\n"; echo "('+0' == '-0') = " . ('+0' == '-0' ? 'true' : 'false') . "\n"; echo "('0.99999999999999994' == '1') = " . ('0.99999999999999994' == '1' ? 'true' : 'false') . "\n"; echo "('0.99999999999999995' == '1') = " . ('0.99999999999999995' == '1' ? 'true' : 'false') . "\n"; echo "\"\\n1\" == '1' = " . ("\n1" == '1' ? 'true' : 'false') . "\n";
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
('1e1' == '10') = true ('1E1' == '10') = true ('1e-1' == '0.1') = true ('1E-1' == '0.1') = true ('+1' == '1') = true ('+0' == '-0') = true ('0.99999999999999994' == '1') = false ('0.99999999999999995' == '1') = true "\n1" == '1' = true
preferences:
205.98 ms | 406 KiB | 328 Q