3v4l.org

run code in 300+ PHP versions simultaneously
<?php new class implements \Countable { public function count() { return -1; } }

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)
7.0.20.0300.08020.18
7.0.10.0100.05719.99
7.0.00.0100.03720.09
5.6.170.0230.03320.57
5.6.160.0100.04020.67
5.6.150.0030.06718.23
5.6.140.0170.03018.18
5.6.130.0030.08718.17
5.6.120.0030.09020.89
5.6.110.0100.07321.09
5.6.100.0070.08320.95
5.6.90.0130.07720.96
5.6.80.0100.04320.38
5.5.310.0200.04720.30
5.5.300.0030.05717.99
5.5.290.0130.07318.01
5.5.280.0070.05320.67
5.5.270.0070.07320.75
5.5.260.0100.08720.86
5.5.250.0130.07020.58
5.5.240.1630.02320.18
5.4.450.0730.05719.51
5.4.440.0070.06019.50
5.4.430.0370.05019.51
5.4.420.0800.07319.59
5.4.410.0670.06019.42
5.4.400.0900.05019.24
5.4.390.0700.05319.27
5.4.380.0700.05319.27
5.4.370.0730.05018.93
5.4.360.0730.05319.20
5.4.350.0700.05719.23
5.4.340.0730.05019.26
5.4.320.0700.06019.28
5.4.310.0870.04318.94
5.4.300.0900.05018.95
5.4.290.0830.05719.22
5.4.280.0800.05019.09
5.4.270.0730.05319.23
5.4.260.0670.05719.10
5.4.250.0800.04319.21
5.4.240.0770.05718.96
5.4.230.0800.04319.12
5.4.220.0770.05719.23
5.4.210.0870.04718.92
5.4.200.0730.05018.94
5.4.190.0800.04319.22
5.4.180.0700.05719.12
5.4.170.0700.05719.25
5.4.160.0730.05019.30
5.4.150.0700.05719.16
5.4.140.0700.05316.44
5.4.130.0800.05316.42
5.4.120.0730.04716.48
5.4.110.0630.05716.60
5.4.100.0930.04716.25
5.4.90.0730.04716.57
5.4.80.0170.04316.62
5.4.70.0730.04716.30
5.4.60.0730.05016.21
5.4.50.1100.04716.48
5.4.40.0630.06016.52
5.4.30.0770.04316.38
5.4.20.0700.05016.58
5.4.10.0800.05316.51
5.4.00.0770.04315.64
5.3.290.0700.05314.59
5.3.280.0700.05314.38
5.3.270.0900.04014.50
5.3.260.0670.06014.70
5.3.250.0770.04314.53
5.3.240.0700.05014.54
5.3.230.0700.05314.57
5.3.220.0670.06014.46
5.3.210.0670.05714.46
5.3.200.0800.04314.42
5.3.190.0030.05714.43
5.3.180.0170.04314.49
5.3.170.0600.05014.51
5.3.160.0700.05314.66
5.3.150.0930.04314.32
5.3.140.0870.05314.48
5.3.130.0700.05314.48
5.3.120.0770.04714.52
5.3.110.0930.06714.41
5.3.100.0930.04713.98
5.3.90.0830.05313.81
5.3.80.0930.04313.95
5.3.70.0930.05713.96
5.3.60.0900.05013.94
5.3.50.0730.04713.70
5.3.40.0800.05713.87
5.3.30.0830.04713.70
5.3.20.0870.04713.53
5.3.10.0830.05013.63
5.3.00.0800.05313.49
5.2.170.0700.04011.13
5.2.160.0670.04311.15
5.2.150.0570.04011.15
5.2.140.0700.04010.99
5.2.130.0600.04311.00
5.2.120.0570.03711.04
5.2.110.0730.04010.96
5.2.100.0570.04310.86
5.2.90.0800.03010.95
5.2.80.0600.04011.05
5.2.70.0570.04711.07
5.2.60.0700.04010.80
5.2.50.0730.03710.95
5.2.40.0500.03710.93
5.2.30.0500.04010.82
5.2.20.0570.03010.88
5.2.10.0470.03710.90
5.2.00.0470.04010.86
5.1.60.0770.0279.88
5.1.50.0530.0379.99
5.1.40.0470.0339.95
5.1.30.0500.03310.34
5.1.20.0500.03010.34
5.1.10.0430.03710.08
5.1.00.0530.0279.90
5.0.50.0300.0278.54
5.0.40.0300.0208.42
5.0.30.0230.0438.19
5.0.20.0300.0238.18
5.0.10.0230.0308.31
5.0.00.0200.0438.05
4.4.90.0300.0205.80
4.4.80.0300.0205.76
4.4.70.0270.0175.85
4.4.60.0230.0205.82
4.4.50.0200.0235.77
4.4.40.0270.0375.84
4.4.30.0230.0275.79
4.4.20.0230.0205.88
4.4.10.0300.0205.88
4.4.00.0230.0335.84
4.3.110.0230.0205.70
4.3.100.0300.0135.67
4.3.90.0230.0205.72
4.3.80.0230.0335.70
4.3.70.0200.0235.67
4.3.60.0270.0205.67
4.3.50.0400.0105.64
4.3.40.0230.0335.61
4.3.30.0070.0275.41
4.3.20.0130.0205.41
4.3.10.0200.0135.41
4.3.00.0130.0205.41

preferences:
144.61 ms | 1394 KiB | 7 Q