3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $a[0] = $a; var_dump($a === $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)
8.3.60.0140.00718.30
8.3.50.0100.00721.09
8.3.40.0150.00318.97
8.3.30.0100.01018.79
8.3.20.0040.00418.69
8.3.10.0040.00421.27
8.3.00.0040.00421.77
8.2.180.0090.00616.38
8.2.170.0100.00322.96
8.2.160.0030.01022.16
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00620.95
8.2.110.0080.00420.35
8.2.100.0000.01217.72
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0040.00817.62
8.2.60.0050.00317.93
8.2.50.0040.00718.07
8.2.40.0030.00518.16
8.2.30.0000.00721.13
8.2.20.0040.00417.54
8.2.10.0040.00417.68
8.2.00.0080.00017.57
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.44
8.1.230.0040.00720.89
8.1.220.0040.00418.77
8.1.210.0040.00418.97
8.1.200.0060.00317.23
8.1.190.0000.01017.40
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0000.00718.81
8.1.150.0000.00718.68
8.1.140.0000.00717.31
8.1.130.0000.00617.83
8.1.120.0000.00717.45
8.1.110.0000.00817.36
8.1.100.0000.00817.40
8.1.90.0000.00817.38
8.1.80.0040.00417.36
8.1.70.0030.00317.35
8.1.60.0030.00617.45
8.1.50.0000.00817.41
8.1.40.0040.00417.40
8.1.30.0040.00417.58
8.1.20.0030.00517.52
8.1.10.0030.00617.59
8.1.00.0040.00417.39
8.0.300.0000.00719.89
8.0.290.0040.00417.04
8.0.280.0030.00318.29
8.0.270.0030.00317.07
8.0.260.0000.00616.61
8.0.250.0050.00216.87
8.0.240.0080.00016.77
8.0.230.0040.00316.88
8.0.220.0040.00416.73
8.0.210.0000.00716.89
8.0.200.0000.00716.90
8.0.190.0000.00716.89
8.0.180.0040.00416.86
8.0.170.0040.00416.75
8.0.160.0030.00516.72
8.0.150.0000.00816.66
8.0.140.0040.00416.70
8.0.130.0060.00013.25
8.0.120.0080.00016.86
8.0.110.0040.00416.68
8.0.100.0000.00716.86
8.0.90.0040.00416.95
8.0.80.0160.00616.76
8.0.70.0000.00816.78
8.0.60.0040.00416.81
8.0.50.0040.00416.77
8.0.30.0090.00917.23
8.0.20.0100.01517.40
8.0.10.0030.00316.81
8.0.00.0090.01016.96
7.4.330.0030.00314.79
7.4.320.0040.00416.41
7.4.300.0000.00716.46
7.4.290.0070.00016.64
7.4.280.0000.00716.35
7.4.270.0070.00016.64
7.4.260.0050.00013.29
7.4.250.0030.00616.50
7.4.240.0030.00316.36
7.4.230.0090.00016.42
7.4.220.0070.01316.41
7.4.210.0090.00716.51
7.4.200.0000.00716.34
7.4.190.0000.00716.48
7.4.160.0060.01016.49
7.4.150.0120.00817.40
7.4.140.0080.01017.86
7.4.130.0130.00516.45
7.4.120.0130.00616.50
7.4.110.0120.01216.61
7.4.100.0070.01016.48
7.4.90.0100.01016.42
7.4.80.0140.00919.39
7.4.70.0070.01016.52
7.4.60.0080.00816.37
7.4.50.0030.00616.45
7.4.40.0030.01322.77
7.4.30.0060.01216.40
7.4.00.0070.01114.84
7.3.330.0060.00013.14
7.3.320.0040.00413.09
7.3.310.0030.00316.13
7.3.300.0020.00516.19
7.3.290.0120.00616.16
7.3.280.0100.00516.18
7.3.270.0080.00817.40
7.3.260.0150.00718.24
7.3.250.0090.01116.43
7.3.240.0040.01216.50
7.3.230.0070.01016.44
7.3.210.0110.00616.29
7.3.200.0130.00719.39
7.3.190.0070.01616.55
7.3.180.0030.01416.24
7.3.170.0130.00316.27
7.3.160.0130.00316.57
7.3.120.0080.00714.97
7.3.110.0060.00914.57
7.3.100.0060.00914.68
7.3.90.0000.01714.57
7.3.80.0060.00614.49
7.3.70.0000.00914.79
7.3.60.0090.00614.75
7.3.50.0000.01514.57
7.3.40.0050.00514.75
7.3.30.0040.01214.48
7.3.20.0090.00316.55
7.3.10.0060.00816.56
7.3.00.0060.00716.47
7.2.330.0060.01516.59
7.2.320.0040.01716.66
7.2.310.0130.01216.77
7.2.300.0090.01216.54
7.2.290.0110.00716.45
7.2.250.0070.01014.88
7.2.240.0100.01014.75
7.2.230.0060.00915.10
7.2.220.0030.01015.02
7.2.210.0120.00314.94
7.2.200.0030.01315.05
7.2.190.0030.01315.04
7.2.180.0000.01214.59
7.2.170.0030.01314.81
7.2.130.0020.01216.67
7.2.120.0060.00716.72
7.2.110.0120.00216.92
7.2.100.0020.01016.82
7.2.90.0060.00516.92
7.2.80.0010.00916.78
7.2.70.0060.00616.68
7.2.60.0090.00516.71
7.2.50.0060.00516.92
7.2.40.0030.00916.89
7.2.30.0060.00317.03
7.2.20.0080.00516.75
7.2.10.0060.00716.83
7.2.00.0060.00717.68
7.1.330.0130.00315.75
7.1.320.0090.00315.48
7.1.310.0030.01015.82
7.1.300.0000.01515.85
7.1.290.0040.01115.81
7.1.280.0070.00715.41
7.1.270.0030.00815.67
7.1.260.0070.00715.84
7.1.250.0060.00815.81
7.1.200.0030.01015.57
7.1.100.0110.00718.20
7.1.70.0030.00716.81
7.1.60.0090.01519.40
7.1.50.0030.01717.00
7.1.00.0030.03322.27
7.0.200.0070.00716.75
7.0.140.0070.07022.09
7.0.60.0070.05319.82
7.0.50.0070.04717.75
7.0.40.0100.04020.24
7.0.30.0230.08020.33
7.0.20.0270.06319.99
7.0.10.0200.04720.29
7.0.00.0030.04020.14
5.6.280.0000.07720.83
5.6.210.0070.03720.60
5.6.200.0000.04318.08
5.6.190.0130.08320.32
5.6.180.0230.04720.39
5.6.170.0330.05020.39
5.6.160.0070.05720.51
5.6.150.0070.05018.21
5.6.140.0130.06318.08
5.6.130.0070.04018.11
5.6.120.0070.04021.14
5.6.110.0130.07320.99
5.6.100.0170.06020.94
5.6.90.0030.09020.98
5.6.80.0070.04020.50
5.6.70.0300.07020.52
5.5.350.0230.07720.41
5.5.340.0030.04718.00
5.5.330.0070.07320.23
5.5.320.0330.07320.38
5.5.310.0330.04320.32
5.5.300.0070.05318.02
5.5.290.0130.07717.92
5.5.280.0100.06320.82
5.5.270.0100.03320.86
5.5.260.0000.04320.75
5.5.250.0130.03020.54
5.5.240.0000.04720.15
5.4.450.3030.03719.26
5.4.440.3070.04019.24
5.4.430.2830.03719.22
5.4.420.3070.04019.57
5.4.410.3430.04319.00
5.4.400.3230.03719.08
5.4.390.3430.05018.78
5.4.380.3070.04018.91
5.4.370.2970.03019.13
5.4.360.2700.03318.91
5.4.350.3000.04019.09
5.4.340.2870.04019.10
5.4.320.3100.03719.22
5.4.310.2970.04019.24
5.4.300.2930.03718.81
5.4.290.3000.02019.24
5.4.280.1130.04718.77
5.4.270.0070.05019.21
5.4.260.0230.02719.06
5.4.250.0300.03319.13
5.4.240.3430.04018.93
5.4.230.2900.04019.12
5.4.220.3000.04319.07
5.4.210.3000.03719.08
5.4.200.3170.03719.13
5.4.190.3330.04719.12
5.4.180.2970.04319.21
5.4.170.3070.03719.09
5.4.160.2770.03718.89
5.4.150.3000.04319.22
5.4.140.3230.04716.18
5.4.130.3000.03016.38
5.4.120.3070.03316.29
5.4.110.2730.04016.39
5.4.100.2800.04316.50
5.4.90.2730.04016.38
5.4.80.3130.03016.29
5.4.70.3100.03316.44
5.4.60.3070.03316.16
5.4.50.2900.03316.36
5.4.40.3100.03316.16
5.4.30.3030.03716.32
5.4.20.2970.04016.45
5.4.10.3030.03016.36
5.4.00.3030.04015.64
5.3.290.2930.03714.75
5.3.280.2970.03714.52
5.3.270.3300.04314.58
5.3.260.3030.03714.43
5.3.250.3030.03714.44
5.3.240.3030.04014.59
5.3.230.2770.04014.50
5.3.220.3330.04714.39
5.3.210.3230.04314.41
5.3.200.3170.03714.47
5.3.190.3000.04014.50
5.3.180.3800.05014.39
5.3.170.3370.05014.40
5.3.160.2900.04014.50
5.3.150.2630.04014.40
5.3.140.2800.04714.40
5.3.130.3070.04014.39
5.3.120.3000.03314.40
5.3.110.2870.04314.50
5.3.100.2570.03713.97
5.3.90.2870.03713.97
5.3.80.2430.03713.81
5.3.70.2870.03714.06
5.3.60.2500.03013.95
5.3.50.2870.03713.89
5.3.40.2630.03713.82
5.3.30.2930.04013.78
5.3.20.2930.03713.63
5.3.10.2530.03713.53
5.3.00.2700.03313.41
5.2.170.2070.02311.00
5.2.160.2430.03011.30
5.2.150.2300.02711.05
5.2.140.2630.02711.19
5.2.130.2530.03011.01
5.2.120.2430.02710.96
5.2.110.2600.02711.02
5.2.100.2100.03011.04
5.2.90.2600.02310.96
5.2.80.2330.03011.25
5.2.70.2600.03310.93
5.2.60.2530.03310.90
5.2.50.2330.02710.85
5.2.40.1930.02310.90
5.2.30.2200.03010.87
5.2.20.1870.03011.11
5.2.10.2030.02710.96
5.2.00.2170.02710.57
5.1.60.2100.02710.11
5.1.50.1900.0209.96
5.1.40.1930.0179.91
5.1.30.2070.03010.20
5.1.20.1900.02310.25
5.1.10.2130.0239.95
5.1.00.1930.0239.96
5.0.50.1170.0278.44
5.0.40.1030.0278.28
5.0.30.1130.0338.30
5.0.20.0970.0238.17
5.0.10.1200.0278.21
5.0.00.1070.0338.38
4.4.90.1100.0238.14
4.4.80.1130.0238.14
4.4.70.1030.0208.14
4.4.60.1200.0208.14
4.4.50.1130.0178.14
4.4.40.1100.0338.14
4.4.30.1100.0208.14
4.4.20.1170.0178.14
4.4.10.1000.0108.14
4.4.00.1100.0308.14
4.3.110.0970.0138.14
4.3.100.1030.0138.14
4.3.90.1270.0208.14
4.3.80.1070.0238.14
4.3.70.1070.0178.14
4.3.60.1200.0208.14
4.3.50.1230.0208.14
4.3.40.1030.0208.14
4.3.30.0470.0178.14
4.3.20.0500.0138.14
4.3.10.0500.0208.14
4.3.00.0570.0178.14

preferences:
68.79 ms | 400 KiB | 5 Q