3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a {} $x = (new ReflectionFunction("substr"))->getClosure(); $x->call(new a); ?>

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)
8.3.60.0070.01516.50
8.3.50.0240.00721.07
8.3.40.0150.00318.66
8.3.30.0100.00718.76
8.3.20.0050.00320.34
8.3.10.0080.00023.60
8.3.00.0000.00720.29
8.2.180.0100.01018.29
8.2.170.0070.00722.96
8.2.160.0000.01422.09
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00826.16
8.2.120.0040.00417.63
8.2.110.0100.00019.29
8.2.100.0060.00617.61
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0000.01217.80
8.2.50.0000.00818.07
8.2.40.0130.00019.26
8.2.30.0040.00420.51
8.2.20.0040.00417.53
8.2.10.0040.00417.88
8.2.00.0000.00718.04
8.1.280.0070.00725.92
8.1.270.0060.00323.66
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0030.00623.86
8.1.230.0040.00718.91
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0040.00417.23
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0000.00821.90
8.1.150.0040.00418.67
8.1.140.0040.00417.25
8.1.130.0040.00417.61
8.1.120.0000.00717.41
8.1.110.0040.00417.29
8.1.100.0070.00017.33
8.1.90.0050.00217.41
8.1.80.0070.00017.43
8.1.70.0070.00017.36
8.1.60.0050.00317.48
8.1.50.0060.00317.46
8.1.40.0050.00517.33
8.1.30.0060.00317.50
8.1.20.0050.00317.43
8.1.10.0000.00717.50
8.1.00.0070.00017.37
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00518.30
8.0.270.0080.00017.19
8.0.260.0000.00817.18
8.0.250.0000.00716.83
8.0.240.0000.00716.96
8.0.230.0000.01016.91
8.0.220.0040.00416.88
8.0.210.0030.00316.76
8.0.200.0030.00316.93
8.0.190.0040.00416.98
8.0.180.0050.00316.79
8.0.170.0090.00016.80
8.0.160.0030.00316.89
8.0.150.0070.00016.71
8.0.140.0070.00016.91
8.0.130.0050.00013.31
8.0.120.0000.00716.88
8.0.110.0050.00316.86
8.0.100.0040.00416.94
8.0.90.0050.00316.75
8.0.80.0060.00916.82
8.0.70.0040.00416.75
8.0.60.0000.00716.88
8.0.50.0000.00716.66
8.0.30.0100.01016.85
8.0.20.0080.01217.40
8.0.10.0000.00716.85
8.0.00.0070.01016.75
7.4.330.0000.00615.08
7.4.320.0030.00616.50
7.4.300.0000.00716.44
7.4.290.0030.00316.50
7.4.280.0000.00916.45
7.4.270.0030.00316.48
7.4.260.0030.00316.39
7.4.250.0040.00416.50
7.4.240.0040.00416.44
7.4.230.0050.00216.37
7.4.220.0090.01016.52
7.4.210.0070.00716.39
7.4.200.0040.00416.18
7.4.160.0090.00616.16
7.4.150.0080.00817.40
7.4.140.0130.00817.86
7.4.130.0110.00916.42
7.4.120.0050.01316.50
7.4.110.0110.00716.65
7.4.100.0200.00316.50
7.4.90.0070.01016.38
7.4.80.0090.00919.39
7.4.70.0090.00916.56
7.4.60.0100.00616.33
7.4.50.0000.00816.34
7.4.40.0070.01016.56
7.4.30.0090.00916.42
7.4.00.0080.00714.73
7.3.330.0030.00313.17
7.3.320.0020.00213.01
7.3.310.0030.00316.11
7.3.300.0000.00716.09
7.3.290.0100.00616.22
7.3.280.0130.00816.24
7.3.270.0140.00917.40
7.3.260.0080.00916.45
7.3.250.0140.00716.31
7.3.240.0100.01416.33
7.3.230.0030.01516.44
7.3.210.0140.00316.14
7.3.200.0100.00716.20
7.3.190.0120.00416.37
7.3.180.0080.01116.14
7.3.170.0150.00616.31
7.3.160.0080.00816.36
7.3.120.0130.00614.68
7.3.110.0060.01414.62
7.3.100.0110.00614.94
7.3.90.0110.00314.93
7.3.80.0040.01214.72
7.3.70.0030.01014.41
7.3.60.0110.00414.74
7.3.50.0000.01114.80
7.3.40.0080.00414.80
7.3.30.0100.00614.68
7.3.20.0110.00416.62
7.3.10.0040.00916.59
7.3.00.0090.00516.45
7.2.330.0120.00916.48
7.2.320.0100.00616.48
7.2.310.0130.00316.64
7.2.300.0060.00916.77
7.2.290.0100.00716.52
7.2.250.0000.01814.73
7.2.240.0100.01015.09
7.2.230.0100.00615.11
7.2.220.0000.01414.74
7.2.210.0000.01514.84
7.2.200.0000.01614.95
7.2.190.0080.00614.93
7.2.180.0040.01114.89
7.2.170.0070.00714.82
7.2.130.0000.01516.71
7.2.120.0130.00316.84
7.2.110.0070.00716.72
7.2.100.0100.00016.80
7.2.90.0070.00716.57
7.2.80.0060.00616.90
7.2.70.0100.00316.51
7.2.60.0040.01216.74
7.2.50.0040.00716.82
7.2.40.0070.01016.83
7.2.30.0130.00316.78
7.2.20.0060.00616.52
7.2.10.0000.01516.81
7.2.00.0060.00818.02
7.1.330.0120.00315.64
7.1.320.0040.01115.75
7.1.310.0000.01515.39
7.1.300.0030.00615.73
7.1.290.0060.00615.38
7.1.280.0070.00715.61
7.1.270.0060.00915.38
7.1.260.0040.00715.49
7.1.250.0030.01415.65
7.1.200.0000.01015.52
7.1.100.0060.00617.88
7.1.70.0040.00416.71
7.1.60.0090.00919.11
7.1.50.0060.01816.93
7.1.00.0030.07322.31
7.0.200.0030.00316.64
7.0.60.0030.04019.92
7.0.50.0030.04317.86
7.0.40.0130.08020.11
7.0.30.0070.05320.13
7.0.20.0370.08020.13
7.0.10.0030.07320.27
7.0.00.0000.04720.20
5.6.280.0030.07320.93
5.6.210.0070.05020.50
5.6.200.0000.04318.25
5.6.190.0030.04320.48
5.6.180.0300.07320.57
5.6.170.0330.07320.47
5.6.160.0130.07020.54
5.6.150.0030.04318.25
5.6.140.0000.04318.15
5.6.130.0000.05718.20
5.6.120.0070.08320.91
5.6.110.0130.07720.97
5.6.100.0100.08320.96
5.6.90.0070.06021.00
5.6.80.0100.07320.37
5.5.350.0030.08320.34
5.5.340.0000.05017.98
5.5.330.0070.04320.31
5.5.320.3030.04020.25
5.5.310.0370.06720.22
5.5.300.0070.05017.95
5.5.290.0030.04017.93
5.5.280.0070.05020.74
5.5.270.0130.06720.83
5.5.260.0070.08320.84
5.5.250.0100.07020.55
5.5.240.0370.05720.02
5.4.450.0970.06019.48
5.4.440.0970.06319.60
5.4.430.1030.05319.70
5.4.420.1000.06019.46
5.4.410.1330.06319.21
5.4.400.0830.05319.23
5.4.390.1100.05319.05
5.4.380.1070.05319.23
5.4.370.1030.05019.06
5.4.360.1100.05019.26
5.4.350.1070.05019.15
5.4.340.1030.05719.26
5.4.320.1170.06019.14
5.4.310.1030.05719.38
5.4.300.1030.05318.83
5.4.290.1200.05319.25
5.4.280.1030.04719.05
5.4.270.1030.04718.84
5.4.260.1100.04719.27
5.4.250.1000.05319.37
5.4.240.1070.04719.25
5.4.230.1000.05019.15
5.4.220.1070.04718.87
5.4.210.1030.05319.28
5.4.200.0970.06019.12
5.4.190.1070.05019.13
5.4.180.1000.05719.21
5.4.170.1030.06019.24
5.4.160.1070.04319.35
5.4.150.1070.05019.12
5.4.140.1130.05716.39
5.4.130.1030.04316.55
5.4.120.1100.05316.34
5.4.110.0970.05316.52
5.4.100.0870.04316.45
5.4.90.1030.04316.47
5.4.80.1000.04316.27
5.4.70.0300.07316.44
5.4.60.0100.06716.57
5.4.50.0030.05316.53
5.4.40.0200.06716.53
5.4.30.0230.05316.55
5.4.20.0400.05716.21

preferences:
75.86 ms | 401 KiB | 5 Q