3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ('1' == '1' ? 'true' : 'false') . " ('1' == '1')\n"; echo ('2' == '1' ? 'true' : 'false') . " ('2' == '1')\n"; echo ('0' == '0x0' ? 'true' : 'false') . " ('0' == '0x0')\n"; echo ('0' == '00' ? 'true' : 'false') . " ('0' == '00')\n"; echo ('1e1' == '10' ? 'true' : 'false') . " ('1e1' == '10')\n"; echo ('1E1' == '10' ? 'true' : 'false') . " ('1E1' == '10')\n"; echo ('1e-1' == '0.1' ? 'true' : 'false') . " ('1e-1' == '0.1')\n"; echo ('1E-1' == '0.1' ? 'true' : 'false') . " ('1E-1' == '0.1')\n"; echo ('+1' == '1' ? 'true' : 'false') . " ('+1' == '1')\n"; echo ('+0' == '-0' ? 'true' : 'false') . " ('+0' == '-0')\n"; echo ('0.99999999999999994' == '1' ? 'true' : 'false') . " ('0.99999999999999994' == '1')\n"; echo ('0.99999999999999995' == '1' ? 'true' : 'false') . " ('0.99999999999999995' == '1')\n"; echo ("\n1" == '1' ? 'true' : 'false') . " (\"\\n1\" == '1')\n"; echo ("1\n" == '1' ? 'true' : 'false') . " (\"1\\n\" == '1')\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
true ('1' == '1') false ('2' == '1') false ('0' == '0x0') true ('0' == '00') true ('1e1' == '10') true ('1E1' == '10') true ('1e-1' == '0.1') true ('1E-1' == '0.1') true ('+1' == '1') true ('+0' == '-0') false ('0.99999999999999994' == '1') true ('0.99999999999999995' == '1') true ("\n1" == '1') true ("1\n" == '1')
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
true ('1' == '1') false ('2' == '1') false ('0' == '0x0') true ('0' == '00') true ('1e1' == '10') true ('1E1' == '10') true ('1e-1' == '0.1') true ('1E-1' == '0.1') true ('+1' == '1') true ('+0' == '-0') false ('0.99999999999999994' == '1') true ('0.99999999999999995' == '1') true ("\n1" == '1') false ("1\n" == '1')
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 - 5.6.38
true ('1' == '1') false ('2' == '1') true ('0' == '0x0') true ('0' == '00') true ('1e1' == '10') true ('1E1' == '10') true ('1e-1' == '0.1') true ('1E-1' == '0.1') true ('+1' == '1') true ('+0' == '-0') false ('0.99999999999999994' == '1') true ('0.99999999999999995' == '1') true ("\n1" == '1') false ("1\n" == '1')

preferences:
286.94 ms | 404 KiB | 423 Q