3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { protected function __construct(); } class X extends Singleton{} new X();

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)
5.6.120.0100.08021.06
5.6.110.0130.05320.89
5.6.100.0070.05021.14
5.6.90.0130.08020.88
5.6.80.0030.03720.53
5.5.280.0130.07320.73
5.5.270.0100.06020.83
5.5.260.0070.07720.88
5.5.250.0070.08020.57
5.5.240.0000.07720.19
5.4.440.0870.07719.34
5.4.430.0870.07719.63
5.4.420.1000.07019.63
5.4.410.0970.06019.07
5.4.400.0970.07018.99
5.4.390.0570.06319.23
5.4.380.0670.05719.08
5.4.370.0730.04319.16
5.4.360.0600.06019.12
5.4.350.0600.05019.23
5.4.340.0500.07019.38
5.4.320.0600.07719.12
5.4.310.0730.04319.29
5.4.300.0600.04719.25
5.4.290.0670.06019.03
5.4.280.0630.06019.25
5.4.270.0670.05019.15
5.4.260.0770.03719.32
5.4.250.0730.04719.05
5.4.240.0670.06319.11
5.4.230.0570.05319.23
5.4.220.0630.04719.29
5.4.210.0530.05319.29
5.4.200.0500.05016.70
5.4.190.0900.07019.19
5.4.180.0730.06018.97
5.4.170.0700.05319.00
5.4.160.0730.05019.28
5.4.150.0670.05019.18
5.4.140.0530.05316.74
5.4.130.0600.04716.38
5.4.120.0570.06316.59
5.4.110.0530.05016.36
5.4.100.0630.04016.32
5.4.90.0630.05316.52
5.4.80.0700.06716.51
5.4.70.0670.06316.53
5.4.60.0730.05716.48
5.4.50.0500.05016.34
5.4.40.0500.05316.28
5.4.30.0530.04716.28
5.4.20.0700.04716.38
5.4.10.0830.06716.29
5.4.00.0900.04315.73
5.3.290.0400.06014.52
5.3.280.0530.05714.56
5.3.270.0130.05014.50
5.3.260.0170.06714.51
5.3.250.0830.05314.61
5.3.240.0900.06014.61
5.3.230.1030.05714.58
5.3.220.0430.06314.55
5.3.210.0100.07014.57
5.3.200.0100.06314.53
5.3.190.0570.06314.79
5.3.180.0670.06314.42
5.3.170.0270.04714.47
5.3.160.0130.05014.43
5.3.150.0400.06014.64
5.3.140.0730.06314.52
5.3.130.0730.05314.53
5.3.120.0970.05014.45
5.3.110.0800.05714.58
5.3.100.0730.07314.05
5.3.90.0700.06014.03
5.3.80.0900.04713.91
5.3.70.1030.05713.91
5.3.60.0800.06314.22
5.3.50.0900.05714.08
5.3.40.0930.06014.16
5.3.30.0930.05013.80
5.3.20.0970.05313.59
5.3.10.1230.04713.66
5.3.00.0730.07713.54
5.2.170.0630.06011.23
5.2.160.0730.05011.10
5.2.150.0730.06011.10
5.2.140.0900.05711.21
5.2.130.0800.04311.10
5.2.120.0770.04711.10
5.2.110.0730.05011.10
5.2.100.0830.03311.10
5.2.90.0530.05011.18
5.2.80.0670.05311.10
5.2.70.0630.05311.11
5.2.60.0700.05011.10
5.2.50.0670.05711.10
5.2.40.0330.04711.10
5.2.30.0470.04311.11
5.2.20.0470.03711.10
5.2.10.0500.04711.10
5.2.00.0400.05711.10
5.1.60.0300.04011.10
5.1.50.0500.03311.10
5.1.40.0600.04011.10
5.1.30.0530.03011.10
5.1.20.0370.03711.10
5.1.10.0430.03311.10
5.1.00.0430.03711.10
5.0.50.0230.04011.10
5.0.40.0100.04311.10
5.0.30.0200.05711.10
5.0.20.0370.02711.10
5.0.10.0230.03011.10
5.0.00.0200.04711.10
4.4.90.0270.02011.10
4.4.80.0230.02711.10
4.4.70.0130.03011.10
4.4.60.0130.02011.10
4.4.50.0100.02711.10
4.4.40.0330.03011.10
4.4.30.0200.02311.10
4.4.20.0130.03311.10
4.4.10.0130.02311.10
4.4.00.0130.03311.10
4.3.110.0130.02311.10
4.3.100.0200.02311.10
4.3.90.0170.02011.10
4.3.80.0200.02711.10
4.3.70.0130.02311.10
4.3.60.0070.02311.10
4.3.50.0070.02011.10
4.3.40.0130.03011.10
4.3.30.0030.02711.10
4.3.20.0100.02311.10
4.3.10.0030.03011.10
4.3.00.0100.0238.42

preferences:
147.45 ms | 1394 KiB | 7 Q