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run code in 300+ PHP versions simultaneously
<?php $x = 1; for ($i = 2; $i < 100; $i++) { $x /= $i; } ini_set("precision", 20); var_dump($x, (string) $x, (float) (string) $x);
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
float(1.0715102881254669E-156) string(26) "1.0715102881254668584E-156" float(1.0715102881254669E-156)
Output for 5.4.38 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
float(1.0715102881254668584E-156) string(26) "1.0715102881254668584E-156" float(1.0715102881254668584E-156)
Output for 4.3.5 - 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 - 5.4.37
Warning: ini_set() has been disabled for security reasons in /in/KW2iV on line 8 float(1.0715102881255E-156) string(20) "1.0715102881255E-156" float(1.0715102881255E-156)
Output for 4.3.1 - 4.3.4
Warning: ini_set,pcntl_fork() has been disabled for security reasons in /in/KW2iV on line 8 float(1.0715102881255E-156) string(20) "1.0715102881255E-156" float(1.0715102881255E-156)
Output for 4.3.0
float(1.0715102881254683354E-156) string(26) "1.0715102881254668584E-156" float(1.0715102881254683354E-156)
preferences:
231.64 ms | 401 KiB | 312 Q