3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo acos(3); var_dump(acos(3) === acos(3)); var_dump(acos(3) == acos(3)); // Note that NAN is a float and becomes 0 var_dump($array = [acos(3) => 3]); var_dump(isset($array[acos(3)])); // Idem pour INF, which is infinity var_dump($array = [INF => 3]); var_dump(isset($array[INF]));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.30.0240.01016.81
8.5.20.0270.01016.79
8.5.10.0330.00516.83
8.5.00.0350.00916.90
8.4.180.0370.01319.82
8.4.170.0290.01019.50
8.4.160.0280.00619.67
8.4.150.0160.00719.81
8.4.140.0210.00917.56
8.4.130.0270.01117.64
8.4.120.0220.00817.95
8.4.110.0410.01317.66
8.4.100.0220.00517.94
8.4.90.0210.00617.84
8.4.80.0210.00917.73
8.4.70.0350.00617.98
8.4.60.0230.01017.79
8.4.50.0300.00417.80
8.4.40.0230.00917.67
8.4.30.0340.00517.51
8.4.20.0330.00917.93
8.4.10.0250.00617.70
8.3.300.0250.00818.40
8.3.290.0330.00718.43
8.3.280.0390.00518.30
8.3.270.0190.01316.70
8.3.260.0310.00817.00
8.3.250.0170.00916.86
8.3.240.0310.00616.59
8.3.230.0190.01016.64
8.3.220.0180.00316.76
8.3.210.0220.00916.64
8.3.200.0330.01016.74
8.3.190.0360.01016.67
8.3.180.0350.01616.48
8.3.170.0350.01216.77
8.3.160.0270.00516.73
8.3.150.0210.00216.99
8.3.140.0250.00716.89
8.3.130.0240.00416.63
8.3.120.0140.00616.86
8.3.110.0180.00516.88
8.3.100.0230.01016.89
8.3.90.0290.00616.74
8.3.80.0240.00716.71
8.3.70.0390.00816.71
8.3.60.0300.00916.90
8.3.50.0310.00616.80
8.3.40.0260.00318.03
8.3.30.0260.00417.88
8.3.20.0250.00818.10
8.3.10.0260.01218.02
8.3.00.0290.00718.15

preferences:
50.25 ms | 734 KiB | 5 Q