3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; echo $x['cats']; echo 'cats';

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)
8.3.60.0070.00718.29
8.3.50.0140.00622.05
8.3.40.0040.01118.79
8.3.30.0070.00719.12
8.3.20.0070.00020.34
8.3.10.0000.00821.77
8.3.00.0000.00822.31
8.2.180.0150.00016.50
8.2.170.0100.00318.91
8.2.160.0140.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00319.36
8.2.110.0040.00422.05
8.2.100.0080.00419.53
8.2.90.0000.00819.41
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0100.00017.93
8.2.50.0030.00618.07
8.2.40.0000.00821.18
8.2.30.0000.00718.22
8.2.20.0070.00017.74
8.2.10.0040.00418.05
8.2.00.0070.00317.98
8.1.280.0100.00325.92
8.1.270.0080.00020.01
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.70
8.1.230.0090.00318.97
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.01017.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0060.00318.47
8.1.160.0040.00421.86
8.1.150.0060.00318.86
8.1.140.0030.00517.27
8.1.130.0070.00017.67
8.1.120.0070.00017.27
8.1.110.0040.00417.30
8.1.100.0040.00417.43
8.1.90.0040.00417.45
8.1.80.0040.00417.28
8.1.70.0030.00317.35
8.1.60.0030.00617.46
8.1.50.0000.00717.50
8.1.40.0080.00017.41
8.1.30.0030.00617.62
8.1.20.0050.00217.42
8.1.10.0050.00317.47
8.1.00.0070.00017.47
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0040.00417.15
8.0.260.0040.00417.25
8.0.250.0060.00017.05
8.0.240.0030.00316.92
8.0.230.0040.00416.95
8.0.220.0090.00016.73
8.0.210.0000.00716.88
8.0.200.0030.00316.87
8.0.190.0050.00216.88
8.0.180.0060.00316.79
8.0.170.0070.00016.82
8.0.160.0030.00316.78
8.0.150.0040.00416.88
8.0.140.0030.00916.86
8.0.130.0000.00513.34
8.0.120.0080.00016.87
8.0.110.0040.00416.78
8.0.100.0040.00416.80
8.0.90.0000.00716.75
8.0.80.0110.00416.90
8.0.70.0000.00716.88
8.0.60.0000.00816.88
8.0.50.0070.00016.84
8.0.30.0110.00617.19
8.0.20.0070.01317.40
8.0.10.0070.00016.94
8.0.00.0100.00916.71
7.4.330.0000.00415.04
7.4.320.0060.00016.43
7.4.300.0060.00016.32
7.4.290.0030.00316.48
7.4.280.0040.00416.57
7.4.270.0040.00416.42
7.4.260.0000.00716.41
7.4.250.0000.00716.35
7.4.240.0070.00016.50
7.4.230.0000.00616.53
7.4.220.0130.01016.61
7.4.210.0050.01016.56
7.4.200.0030.00316.63
7.4.160.0080.00816.44
7.4.150.0140.00317.40
7.4.140.0110.00817.86
7.4.130.0190.00616.49
7.4.120.0110.00916.66
7.4.110.0090.00916.34
7.4.100.0110.00716.61
7.4.90.0160.00016.54
7.4.80.0140.00619.39
7.4.70.0100.00716.48
7.4.60.0070.01016.32
7.4.50.0000.00716.49
7.4.40.0000.01816.21
7.4.30.0090.01416.37
7.4.00.0060.00615.09
7.3.330.0030.00313.07
7.3.320.0020.00213.07
7.3.310.0070.00016.06
7.3.300.0030.00416.20
7.3.290.0030.00316.17
7.3.280.0130.00416.21
7.3.270.0170.00717.40
7.3.260.0060.01016.48
7.3.250.0070.01216.32
7.3.240.0030.01616.26
7.3.230.0200.00316.39
7.3.210.0100.00716.54
7.3.200.0060.00919.39
7.3.190.0070.01016.15
7.3.180.0130.01116.25
7.3.170.0100.01016.38
7.3.160.0030.01316.35
7.2.330.0040.01416.61
7.2.320.0060.01216.41
7.2.310.0060.01116.29
7.2.300.0060.01016.58
7.2.290.0170.00016.21
7.2.00.0040.00819.36
7.1.100.0060.00317.66
7.1.70.0030.00916.96
7.1.60.0110.01419.59
7.1.50.0160.00616.70
7.1.00.0070.07322.32
7.0.200.0820.00314.50
7.0.110.0070.08020.01
7.0.100.0030.05320.04
7.0.90.0000.09019.89
7.0.80.0130.07020.02
7.0.70.0070.05019.95
7.0.60.0100.06719.86
7.0.50.0070.07719.82
7.0.40.0130.06719.80
7.0.30.0100.04719.68
7.0.20.0100.07719.59
7.0.10.0100.06019.54
7.0.00.0100.04319.68
5.6.280.0030.06721.12
5.6.260.0030.04720.64
5.6.250.0100.07320.68
5.6.240.0070.07720.57
5.6.230.0100.08020.60
5.6.220.0130.07020.47
5.6.210.0030.05320.57
5.6.200.0070.04720.50
5.6.190.0000.04720.58
5.6.180.0070.08320.51
5.6.170.0070.04320.53
5.6.160.0070.08320.53
5.6.150.0070.08020.54
5.6.140.0070.08320.41
5.6.130.0130.07720.79
5.6.120.0130.07320.55
5.6.110.0130.04020.59
5.6.100.0100.04320.54
5.6.90.0070.07720.60
5.6.80.0070.07019.93
5.6.70.0030.07319.86
5.6.60.0030.08020.13
5.6.50.0070.07719.90
5.6.40.0100.06719.95
5.6.30.0070.05319.98
5.6.20.0000.05719.95
5.6.10.0100.08019.85
5.6.00.0030.08319.94
5.5.380.0070.08017.50
5.5.370.0070.09317.55
5.5.360.0100.07017.61
5.5.350.0030.04717.36
5.5.340.0070.07718.16
5.5.330.0170.03717.77
5.5.320.0130.07318.10
5.5.310.0030.08017.98
5.5.300.0030.08017.99
5.5.290.0100.07718.29
5.5.280.0170.07317.86
5.5.270.0100.07317.75
5.5.260.0030.09018.24
5.5.250.0070.08017.57
5.5.240.0070.06717.37
5.5.230.0070.07317.14
5.5.220.0070.07717.47
5.5.210.0070.04317.54
5.5.200.0070.07317.22
5.5.190.0070.07317.33
5.5.180.0070.07017.34
5.5.160.0230.05317.48
5.5.150.0070.07317.21
5.5.140.0070.03717.50
5.5.130.0030.08017.46
5.5.120.0170.06317.11
5.5.110.0070.06017.51
5.5.100.0000.04017.42
5.5.90.0000.05017.34
5.5.80.0030.04717.11
5.5.70.0000.04017.51
5.5.60.0000.04717.11
5.5.50.0130.02717.09
5.5.40.0200.02717.10
5.5.30.0030.03717.37
5.5.20.0070.03717.00
5.5.10.0070.03717.10
5.5.00.0030.03717.34
5.4.450.0000.08319.53
5.4.440.0030.08319.28
5.4.430.0030.08019.43
5.4.420.0070.06319.26
5.4.410.0100.07319.22
5.4.400.0100.07718.98
5.4.390.0070.09018.96
5.4.380.0100.07018.98
5.4.370.0100.07318.99
5.4.360.0100.07319.20
5.4.350.0100.07318.98
5.4.340.0100.06719.12
5.4.320.0100.07319.07
5.4.310.0100.06718.90
5.4.300.0100.06019.03
5.4.290.0000.08018.95
5.4.280.0100.07019.05
5.4.270.0070.04318.88
5.4.260.0070.03719.02
5.4.250.0030.04718.89
5.4.240.0030.04018.98
5.4.230.0030.03718.89
5.4.220.0000.04718.95
5.4.210.0030.03718.87
5.4.200.0130.02718.98
5.4.190.0030.03718.87
5.4.180.0100.03018.96
5.4.170.0030.05719.10
5.4.160.0070.03719.03
5.4.150.0070.03718.96
5.4.140.0000.05316.43
5.4.130.0070.03016.20
5.4.120.0030.07016.49
5.4.110.0100.06316.36
5.4.100.0030.03716.36
5.4.90.0070.05316.36
5.4.80.0030.06716.34
5.4.70.0130.02716.41
5.4.60.0030.03716.40
5.4.50.0030.05316.42
5.4.40.0070.03316.11
5.4.30.0100.03316.32
5.4.20.0100.03016.10
5.4.10.0070.03316.46
5.4.00.0030.03315.81
5.3.290.0100.07014.62
5.3.280.0070.03714.42
5.3.270.0030.03314.68
5.3.260.0030.03714.61
5.3.250.0070.03714.70
5.3.240.0130.07014.59
5.3.230.0130.07014.65
5.3.220.0070.07714.62
5.3.210.0000.04014.65
5.3.200.0030.03314.56
5.3.190.0000.04014.41
5.3.180.0030.06314.50
5.3.170.0030.04314.44
5.3.160.0030.04314.65
5.3.150.0030.04014.63
5.3.140.0030.05714.43
5.3.130.0000.03714.61
5.3.120.0000.04014.54
5.3.110.0030.03314.60
5.3.100.0000.04013.89
5.3.90.0070.03713.91
5.3.80.0030.03713.93
5.3.70.0100.03014.08
5.3.60.0000.06013.79
5.3.50.0070.02713.77
5.3.40.0030.03713.80
5.3.30.0000.03713.92
5.3.20.0000.03713.63
5.3.10.0100.04013.52
5.3.00.0030.04313.57
5.2.170.0000.04011.20
5.2.160.0030.03011.06
5.2.150.0000.04311.15
5.2.140.0000.03011.04
5.2.130.0000.03011.17
5.2.120.0000.02711.16
5.2.110.0000.02711.10
5.2.100.0000.03011.16
5.2.90.0000.03011.11
5.2.80.0070.02310.98
5.2.70.0000.03010.99
5.2.60.0000.03011.12
5.2.50.0030.02711.09
5.2.40.0070.02710.93
5.2.30.0000.03311.03
5.2.20.0000.03011.11
5.2.10.0070.03310.75
5.2.00.0070.02310.62
5.1.60.0000.0309.90
5.1.50.0030.0239.97
5.1.40.0000.0239.89
5.1.30.0030.02010.41
5.1.20.0000.04310.43
5.1.10.0000.0309.95
5.1.00.0070.03310.04
5.0.50.0030.0439.71
5.0.40.0100.0409.71
5.0.30.0070.0339.71
5.0.20.0100.0339.71
5.0.10.0070.0209.71
5.0.00.0100.0579.71
4.4.90.0030.0179.71
4.4.80.0000.0139.71
4.4.70.0000.0179.71
4.4.60.0000.0179.71
4.4.50.0000.0309.71
4.4.40.0000.0279.71
4.4.30.0030.0139.71
4.4.20.0000.0179.71
4.4.10.0000.0379.71
4.4.00.0030.0539.71
4.3.110.0000.0379.71
4.3.100.0000.0339.71
4.3.90.0100.0109.71
4.3.80.0070.0479.71
4.3.70.0070.0339.71
4.3.60.0100.0279.71
4.3.50.0100.0279.71
4.3.40.0000.0279.71
4.3.30.0100.0279.71
4.3.20.0070.0339.71
4.3.10.0000.0239.71
4.3.00.0000.0339.71

preferences:
60.68 ms | 401 KiB | 5 Q