3v4l.org

run code in 300+ PHP versions simultaneously
<?php unset($var());

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)
5.6.120.0100.08320.90
5.6.110.0130.07721.01
5.6.100.0070.08021.00
5.6.90.0000.09720.98
5.6.80.0070.05320.52
5.5.280.0100.07020.77
5.5.270.0170.07720.75
5.5.260.0070.08320.86
5.5.250.0100.07720.66
5.5.240.0030.07720.23
5.4.440.1000.06319.64
5.4.430.1070.07319.48
5.4.420.1030.08019.35
5.4.410.1000.06319.10
5.4.400.0930.08019.17
5.4.390.1100.08019.20
5.4.380.1100.07019.31
5.4.370.0830.06019.36
5.4.360.0930.06718.82
5.4.350.0830.06019.35
5.4.340.0870.05019.16
5.4.320.0670.06719.34
5.4.310.0970.05319.16
5.4.300.0700.06319.11
5.4.290.0770.07719.13
5.4.280.0930.08018.82
5.4.270.0870.06719.05
5.4.260.1000.07318.91
5.4.250.0930.07319.00
5.4.240.1200.06019.34
5.4.230.0830.05019.31
5.4.220.1000.06719.20
5.4.210.1230.07018.89
5.4.200.1330.06316.80
5.4.190.1000.05318.84
5.4.180.0970.07019.14
5.4.170.0830.06719.20
5.4.160.1130.04718.87
5.4.150.1100.05318.82
5.4.140.1030.08316.57
5.4.130.0870.05016.34
5.4.120.0930.07016.40
5.4.110.0930.08316.22
5.4.100.0730.06716.52
5.4.90.0800.06016.56
5.4.80.0970.05316.33
5.4.70.0830.04716.30
5.4.60.0970.05716.52
5.4.50.0830.05016.39
5.4.40.0730.04716.21
5.4.30.0830.05016.43
5.4.20.0770.04316.09
5.4.10.0800.05016.34
5.4.00.0830.04715.58
5.3.290.0730.05314.45
5.3.280.0800.06314.48
5.3.270.0800.07714.53
5.3.260.0800.04714.39
5.3.250.0970.06014.49
5.3.240.0900.05714.48
5.3.230.0770.07714.60
5.3.220.0900.06314.51
5.3.210.0730.05314.46
5.3.200.0800.06714.50
5.3.190.0970.06014.57
5.3.180.0800.05714.47
5.3.170.0930.04714.59
5.3.160.0970.05014.39
5.3.150.0770.06014.42
5.3.140.0770.05014.49
5.3.130.0070.07014.34
5.3.120.0100.05314.59
5.3.110.0530.06014.43
5.3.100.0870.05714.01
5.3.90.0800.06013.85
5.3.80.0830.06714.01
5.3.70.0930.06313.87
5.3.60.0730.05013.89
5.3.50.1030.06313.69
5.3.40.0930.06313.85
5.3.30.0670.04713.78
5.3.20.0730.05013.58
5.3.10.0670.06013.50
5.3.00.0770.06013.46
5.2.170.0530.05011.06
5.2.160.0670.05311.04
5.2.150.0700.04010.99
5.2.140.0470.04711.13
5.2.130.0570.04011.04
5.2.120.0600.04311.04
5.2.110.0530.04311.17
5.2.100.0670.05011.10
5.2.90.0600.04710.93
5.2.80.0800.04011.17
5.2.70.0570.05710.91
5.2.60.0430.04711.12
5.2.50.0470.04011.10
5.2.40.0030.04710.85
5.2.30.0600.04310.80
5.2.20.0430.04310.74
5.2.10.0430.04310.83
5.2.00.0430.04310.73
5.1.60.0370.0439.98
5.1.50.0370.0309.83
5.1.40.0500.02310.06
5.1.30.0500.02710.36
5.1.20.0330.04710.29
5.1.10.0430.04310.00
5.1.00.0570.03310.10
5.0.50.0200.0308.46
5.0.40.0330.0278.42
5.0.30.0300.0438.20
5.0.20.0300.0208.34
5.0.10.0270.0278.08
5.0.00.0270.0478.29
4.4.90.0200.0235.78
4.4.80.0200.0235.89
4.4.70.0170.0275.80
4.4.60.0270.0305.86
4.4.50.0370.0275.75
4.4.40.0330.0405.80
4.4.30.0300.0235.79
4.4.20.0300.0305.89
4.4.10.0130.0305.81
4.4.00.0300.0305.89
4.3.110.0100.0305.79
4.3.100.0270.0275.82
4.3.90.0270.0275.78
4.3.80.0230.0405.79
4.3.70.0200.0235.67
4.3.60.0200.0205.77
4.3.50.0200.0235.76
4.3.40.0200.0375.72
4.3.30.0100.0204.51
4.3.20.0100.0274.39
4.3.10.0130.0234.34
4.3.00.0070.02710.78

preferences:
144.76 ms | 1394 KiB | 7 Q