3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "abc"; echo $x[] += 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)
8.3.60.0080.00816.63
8.3.50.0250.00516.52
8.3.40.0100.01318.69
8.3.30.0120.00318.64
8.3.20.0000.00818.69
8.3.10.0030.00618.65
8.3.00.0000.00819.50
8.2.180.0110.00416.63
8.2.170.0030.01122.96
8.2.160.0120.00318.81
8.2.150.0120.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00020.80
8.2.110.0060.00321.13
8.2.100.0080.00418.03
8.2.90.0040.00417.84
8.2.80.0030.00620.28
8.2.70.0000.00817.93
8.2.60.0080.00018.22
8.2.50.0040.00418.10
8.2.40.0040.00419.38
8.2.30.0000.00719.24
8.2.20.0000.00917.61
8.2.10.0040.00417.73
8.2.00.0030.00617.67
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.09
8.1.230.0090.00322.80
8.1.220.0080.00017.74
8.1.210.0030.00718.77
8.1.200.0000.00917.23
8.1.190.0030.00517.25
8.1.180.0030.00618.10
8.1.170.0000.00818.59
8.1.160.0040.00418.99
8.1.150.0100.00018.49
8.1.140.0040.00417.38
8.1.130.0000.00717.72
8.1.120.0000.00717.42
8.1.110.0030.00517.38
8.1.100.0040.00317.39
8.1.90.0030.00517.38
8.1.80.0070.00017.35
8.1.70.0040.00417.36
8.1.60.0000.00817.44
8.1.50.0020.00517.41
8.1.40.0000.00817.52
8.1.30.0030.00517.58
8.1.20.0040.00417.65
8.1.10.0000.00717.48
8.1.00.0040.00417.39
8.0.300.0030.00719.91
8.0.290.0000.00816.63
8.0.280.0050.00318.38
8.0.270.0070.00017.25
8.0.260.0000.00718.44
8.0.250.0000.00816.88
8.0.240.0070.00016.84
8.0.230.0030.00317.00
8.0.220.0000.00716.86
8.0.210.0070.00016.80
8.0.200.0050.00316.89
8.0.190.0070.00016.94
8.0.180.0040.00716.92
8.0.170.0040.00416.73
8.0.160.0030.00416.85
8.0.150.0000.00716.81
8.0.140.0090.00016.68
8.0.130.0000.00613.32
8.0.120.0040.00716.84
8.0.110.0030.00316.77
8.0.100.0060.00316.95
8.0.90.0050.00216.68
8.0.80.0370.00616.85
8.0.70.0000.00816.95
8.0.60.0000.00716.86
8.0.50.0000.00816.88
8.0.30.0000.01616.94
8.0.20.0090.00917.01
8.0.10.0000.00817.04
8.0.00.0110.00716.79
7.4.330.0030.00312.90
7.4.320.0000.00616.40
7.4.300.0060.00016.47
7.4.290.0000.00716.60
7.4.280.0070.00016.54
7.4.270.0030.00316.52
7.4.260.0030.00313.26
7.4.250.0040.00416.48
7.4.240.0000.00816.60
7.4.230.0020.00516.36
7.4.220.0150.00316.69
7.4.210.0030.01216.63
7.4.200.0040.00416.55
7.4.190.0000.00716.48
7.4.160.0080.00816.39
7.4.150.0090.00916.44
7.4.140.0090.00916.45
7.4.130.0040.01316.50
7.4.120.0040.01216.71
7.4.110.0090.01116.57
7.4.100.0100.00716.60
7.4.90.0140.00416.51
7.4.80.0060.01119.39
7.4.70.0130.00316.50
7.4.60.0090.00916.59
7.4.50.0060.00316.41
7.4.40.0060.00916.42
7.4.30.0080.00816.38
7.4.00.0060.01015.18
7.3.330.0000.00713.07
7.3.320.0000.00513.04
7.3.310.0030.00316.39
7.3.300.0000.00616.18
7.3.290.0030.01016.31
7.3.280.0070.01316.31
7.3.270.0110.01116.45
7.3.260.0130.00316.42
7.3.250.0130.00716.33
7.3.240.0070.01016.38
7.3.230.0140.01016.55
7.3.210.0060.01216.54
7.3.200.0100.00616.27
7.3.190.0060.01316.43
7.3.180.0060.00916.55
7.3.170.0160.00616.56
7.3.160.0060.01016.44
7.3.120.0090.00914.84
7.3.110.0060.01015.06
7.3.100.0040.01114.91
7.3.90.0060.00614.82
7.3.80.0080.00414.52
7.3.70.0060.00314.90
7.3.60.0000.01514.80
7.3.50.0070.00714.97
7.3.40.0060.00614.84
7.3.30.0030.01014.83
7.3.20.0030.01016.60
7.3.10.0060.00316.74
7.3.00.0070.00716.56
7.2.330.0060.01316.51
7.2.320.0130.00316.50
7.2.310.0000.01716.60
7.2.300.0120.00416.64
7.2.290.0120.00316.66
7.2.250.0040.01815.01
7.2.240.0030.01315.17
7.2.230.0030.01314.75
7.2.220.0100.00315.09
7.2.210.0070.00715.14
7.2.200.0070.01114.82
7.2.190.0030.01314.89
7.2.180.0040.00714.79
7.2.170.0060.01214.75
7.2.60.0060.00616.86
7.2.00.0130.00019.51
7.1.330.0060.00915.96
7.1.320.0040.00415.47
7.1.310.0030.01015.79
7.1.300.0060.01015.55
7.1.290.0040.00815.42
7.1.280.0070.00715.75
7.1.270.0000.01715.62
7.1.260.0040.00815.63
7.1.200.0070.00715.73
7.1.100.0030.00718.02
7.1.70.0070.00016.98
7.1.60.0030.01719.30
7.1.50.0070.00716.78
7.1.00.0070.07322.33
7.0.200.0060.00616.41
7.0.140.0070.07022.15
7.0.120.0100.02722.15
7.0.60.0000.06019.92
7.0.50.0100.08017.91
7.0.40.0130.04319.90
7.0.30.0400.06720.19
7.0.20.0370.07720.00
7.0.10.0070.06319.97
7.0.00.0130.08020.00
5.6.280.0100.06721.08
5.6.210.0130.05720.75
5.6.200.0070.05018.09
5.6.190.0000.06720.41
5.6.180.0230.04320.56
5.6.170.0230.03720.50
5.6.160.0000.04720.51
5.6.150.0030.08018.12
5.6.140.0070.07318.18
5.6.130.0070.07018.17
5.6.120.0070.04020.97
5.6.110.0070.03720.88
5.6.100.0000.09020.98
5.6.90.0030.07020.94
5.6.80.0100.06020.52
5.6.70.4470.04320.35
5.5.350.0370.06720.43
5.5.340.0000.04317.88
5.5.330.0000.04320.43
5.5.320.0200.05320.50
5.5.310.0030.05720.29
5.5.300.0000.04317.92
5.5.290.0130.03317.98
5.5.280.0100.05320.74
5.5.270.0130.08020.88
5.5.260.0070.07720.75
5.5.250.0130.07720.48
5.5.240.0200.08020.05
5.4.450.0100.07719.45
5.4.440.0000.04719.25
5.4.430.0300.04719.40
5.4.420.0070.04019.40
5.4.410.0030.04719.12
5.4.400.0070.04018.81
5.4.390.0130.07019.11
5.4.380.0100.07319.16
5.4.370.0030.07318.88
5.4.360.0030.08018.79
5.4.350.0100.07019.14
5.4.340.0030.04019.00
5.4.320.0070.07719.18
5.4.310.0070.07718.82
5.4.300.0170.06318.91
5.4.290.0030.05319.11
5.4.280.0030.08018.79
5.4.270.0030.07319.14
5.4.260.0130.07018.80
5.4.250.0070.04019.13
5.4.240.0130.07319.17
5.4.230.0070.04719.14
5.4.220.0030.06019.12
5.4.210.0100.04019.08
5.4.200.0100.04719.17
5.4.190.0100.03719.14
5.4.180.0070.07019.07
5.4.170.0070.04018.77
5.4.160.0100.03318.77
5.4.150.0100.03318.89
5.4.140.0070.03316.20
5.4.130.0070.03316.28
5.4.120.0030.03316.26
5.4.110.0000.04016.41
5.4.100.0000.07716.37
5.4.90.0000.04016.27
5.4.80.0030.03316.13
5.4.70.0070.03016.23
5.4.60.0070.03016.34
5.4.50.0030.03316.37
5.4.40.0070.03316.24
5.4.30.0070.03316.29
5.4.20.0070.03316.20
5.4.10.0000.03716.24
5.4.00.0070.03015.92
5.3.290.0030.08014.61
5.3.280.0100.05314.51
5.3.270.0170.06314.48
5.3.260.0000.04714.69
5.3.250.0030.03714.63
5.3.240.0030.03714.54
5.3.230.0030.03714.61
5.3.220.0030.03714.46
5.3.210.0030.04014.52
5.3.200.0030.03714.48
5.3.190.0000.04014.54
5.3.180.0100.03714.55
5.3.170.0000.04014.52
5.3.160.0070.03314.51
5.3.150.0100.03014.49
5.3.140.0070.03314.64
5.3.130.0000.04014.46
5.3.120.0000.04014.50
5.3.110.0070.03314.50
5.3.100.0000.04714.12
5.3.90.0070.03313.96
5.3.80.0000.03713.94
5.3.70.0030.03713.96
5.3.60.0070.03713.96
5.3.50.0100.03013.91
5.3.40.0000.03713.87
5.3.30.0070.03313.93
5.3.20.0070.03013.64
5.3.10.0030.03313.61
5.3.00.0000.03713.65
5.2.170.0000.03011.14
5.2.160.0000.03011.13
5.2.150.0070.02311.13
5.2.140.0000.03010.96
5.2.130.0000.03010.98
5.2.120.0030.02711.09
5.2.110.0000.03011.08
5.2.100.0030.02711.03
5.2.90.0070.02711.04
5.2.80.0000.04010.91
5.2.70.0000.04311.02
5.2.60.0070.06010.86
5.2.50.0030.05010.94
5.2.40.0070.06310.89
5.2.30.0100.05710.90
5.2.20.0030.06010.88
5.2.10.0100.03310.85
5.2.00.0070.02310.59
5.1.60.0000.0309.95
5.1.50.0130.01710.06
5.1.40.0030.02710.00
5.1.30.0030.03010.36
5.1.20.0030.05710.23
5.1.10.0000.04310.06
5.1.00.0030.03310.02
5.0.50.0030.0438.56
5.0.40.0000.0208.40
5.0.30.0030.0678.23
5.0.20.0070.0338.23
5.0.10.0000.0278.23
5.0.00.0000.0478.23
4.4.90.0000.0178.23
4.4.80.0030.0138.23
4.4.70.0030.0338.23
4.4.60.0000.0308.23
4.4.50.0000.0338.23
4.4.40.0070.0208.23
4.4.30.0000.0178.23
4.4.20.0030.0278.23
4.4.10.0030.0338.23
4.4.00.0030.0378.23
4.3.110.0030.0378.23
4.3.100.0000.0338.23
4.3.90.0030.0308.23
4.3.80.0030.0308.23
4.3.70.0070.0308.23
4.3.60.0000.0208.23
4.3.50.0030.0138.23
4.3.40.0030.0278.23
4.3.30.0030.0338.23
4.3.20.0000.0208.23
4.3.10.0000.0378.23
4.3.00.0000.0338.23

preferences:
48.11 ms | 400 KiB | 5 Q