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run code in 300+ PHP versions simultaneously
<?php $lat1 = 35.697959; $lat2 = 35.697959; $lon1 = 139.707085; $lon2 = 139.707085; $theta = $lon1 - $lon2; $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta)); var_dump($dist); // returns 1 $dist = acos($dist); var_dump($dist); // returns NAN $x = 1; $x = acos($x); var_dump($x); // doesn't return NAN
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
float(1.0000000000000002) float(NAN) float(0)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 float(1.0000000000000002) float(NAN) float(0)
Output for 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
float(1) float(NAN) float(0)
preferences:
224.28 ms | 403 KiB | 333 Q