3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = false; $b = ''; $c = 0; $d = array(); var_dump($a['x']); var_dump($b['x']); var_dump($c['x']); var_dump($d['x']);

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)
8.3.40.0070.01118.83
8.3.30.0100.00720.39
8.3.20.0080.00020.45
8.3.10.0040.00421.02
8.3.00.0070.00023.49
8.2.170.0120.00318.67
8.2.160.0110.00420.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0070.00020.94
8.2.110.0030.00621.89
8.2.100.0060.00617.91
8.2.90.0040.00417.75
8.2.80.0050.00318.91
8.2.70.0050.00517.63
8.2.60.0090.00017.63
8.2.50.0000.00818.07
8.2.40.0000.00718.34
8.2.30.0040.00419.39
8.2.20.0000.00717.70
8.2.10.0040.00417.62
8.2.00.0000.00717.66
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.61
8.1.230.0000.01019.08
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0060.00318.57
8.1.160.0000.00818.87
8.1.150.0040.00418.57
8.1.140.0040.00417.30
8.1.130.0000.00817.81
8.1.120.0050.00317.39
8.1.110.0040.00417.38
8.1.100.0040.00417.27
8.1.90.0000.00817.23
8.1.80.0040.00417.28
8.1.70.0040.00417.28
8.1.60.0040.00417.52
8.1.50.0040.00417.36
8.1.40.0030.00617.50
8.1.30.0000.00817.66
8.1.20.0000.00817.64
8.1.10.0040.00417.61
8.1.00.0000.00717.37
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0050.00318.29
8.0.270.0040.00417.11
8.0.260.0000.00616.81
8.0.250.0040.00416.87
8.0.240.0060.00316.88
8.0.230.0040.00417.00
8.0.220.0030.00316.85
8.0.210.0030.00516.87
8.0.200.0030.00316.99
8.0.190.0080.00016.86
8.0.180.0000.00716.80
8.0.170.0030.00616.87
8.0.160.0070.00016.77
8.0.150.0040.00416.85
8.0.140.0070.00316.83
8.0.130.0030.00313.32
8.0.120.0040.00416.75
8.0.110.0000.00816.86
8.0.100.0000.00716.70
8.0.90.0040.00416.70
8.0.80.0180.00316.89
8.0.70.0040.00416.77
8.0.60.0000.00716.87
8.0.50.0040.00416.74
8.0.30.0110.00817.14
8.0.20.0070.01117.40
8.0.10.0070.00016.88
8.0.00.0090.00916.63
7.4.330.0000.00714.96
7.4.320.0030.00316.58
7.4.300.0030.00316.50
7.4.290.0000.00716.54
7.4.280.0000.00716.34
7.4.270.0070.00016.52
7.4.260.0000.00613.27
7.4.250.0050.00316.41
7.4.240.0040.00416.48
7.4.230.0050.00216.64
7.4.220.0000.01816.65
7.4.210.0080.00916.53
7.4.200.0040.00416.54
7.4.190.0000.00716.63
7.4.160.0040.01416.50
7.4.150.0120.00917.40
7.4.140.0100.01217.86
7.4.130.0110.00616.43
7.4.120.0100.00716.43
7.4.110.0100.00716.29
7.4.100.0130.00316.57
7.4.90.0070.01016.50
7.4.80.0130.00419.39
7.4.70.0120.00616.57
7.4.60.0040.01316.50
7.4.50.0000.00816.36
7.4.40.0040.01222.77
7.4.30.0060.01116.61
7.4.00.0030.01415.05
7.3.330.0000.00513.15
7.3.320.0000.00513.05
7.3.310.0070.00016.30
7.3.300.0000.00716.14
7.3.290.0130.00616.31
7.3.280.0100.00716.27
7.3.270.0120.00617.40
7.3.260.0100.00818.24
7.3.250.0130.00616.28
7.3.240.0100.01016.25
7.3.230.0060.01016.39
7.3.210.0060.01016.30
7.3.200.0060.01619.39
7.3.190.0120.01116.50
7.3.180.0070.01016.32
7.3.170.0060.01016.43
7.3.160.0060.01116.30
7.3.120.0000.01714.73
7.2.330.0030.01416.12
7.2.320.0140.00316.31
7.2.310.0180.00616.55
7.2.300.0070.01016.23
7.2.290.0000.01616.62
7.2.60.0100.01016.75
7.2.50.0060.00616.92
7.1.200.0080.00415.83
7.1.100.0000.01017.87
7.1.70.0000.00917.13
7.1.60.0070.01819.17
7.1.50.0190.01317.07
7.1.00.0030.06322.32
7.0.200.0000.00916.75
7.0.140.0030.07722.21
7.0.70.0100.07721.73
7.0.60.0000.06021.68
7.0.50.0100.07322.00
7.0.40.0070.08320.03
7.0.30.0130.07720.14
7.0.20.0070.05020.08
7.0.10.0030.08019.94
7.0.00.0170.07320.05
5.6.220.0030.08320.66
5.6.210.0100.08020.48
5.6.200.0100.08021.09
5.6.190.0100.07721.00
5.6.180.0070.04321.02
5.6.170.0070.08321.09
5.6.160.0100.05321.08
5.6.150.0000.05021.08
5.6.140.0070.03721.10
5.6.130.0100.03321.02
5.6.120.0070.03721.16
5.6.110.0030.04320.98
5.6.100.0030.04320.97
5.6.90.0030.04021.08
5.6.80.0030.03720.41
5.6.70.0070.07720.41
5.6.60.0030.04320.30
5.6.50.0030.03720.47
5.6.40.0070.03320.46
5.6.30.0000.04020.40
5.6.20.0000.04020.34
5.6.10.0070.03720.41
5.6.00.0000.04020.45
5.5.360.0130.05320.49
5.5.350.0030.08020.45
5.5.340.0070.08320.91
5.5.330.0030.06720.92
5.5.320.0070.04320.89
5.5.310.0100.08020.78
5.5.300.0070.04320.83
5.5.290.0030.04020.71
5.5.280.0100.03720.88
5.5.270.0000.04320.77
5.5.260.0030.04020.79
5.5.250.0000.04020.73
5.5.240.0000.04020.29
5.5.230.0030.03020.18
5.5.220.0030.03720.23
5.5.210.0000.07320.20
5.5.200.0000.05320.25
5.5.190.0000.03320.18
5.5.180.0000.04019.98
5.5.160.0030.03720.14
5.5.150.0000.04320.09
5.5.140.0070.03320.24
5.5.130.0000.04020.11
5.5.120.0030.05320.21
5.5.110.0070.03319.97
5.5.100.0030.03719.97
5.5.90.0000.03720.13
5.5.80.0030.04020.05
5.5.70.0100.03020.04
5.5.60.0000.04020.06
5.5.50.0000.03720.11
5.5.40.0030.04719.93
5.5.30.0030.04020.09
5.5.20.0070.07320.04
5.5.10.0000.04020.09
5.5.00.0030.03720.00
5.4.450.0030.04319.27
5.4.440.0030.04019.29
5.4.430.0030.03719.25
5.4.420.0000.04019.45
5.4.410.0030.03319.31
5.4.400.0000.03718.82
5.4.390.0030.07319.00
5.4.380.0030.04318.99
5.4.370.0000.05019.12
5.4.360.0030.03719.13
5.4.350.0030.03318.79
5.4.340.0030.03719.09
5.4.320.0000.04018.81
5.4.310.0000.03319.06
5.4.300.0030.03318.96
5.4.290.0030.03019.04
5.4.280.0000.05719.09
5.4.270.0070.03718.92
5.4.260.0000.04019.07
5.4.250.0000.03319.02
5.4.240.0070.03318.96
5.4.230.0000.03719.02
5.4.220.0030.03719.05
5.4.210.0030.03318.98
5.4.200.0000.03718.80
5.4.190.0030.03019.02
5.4.180.0030.03018.95
5.4.170.0030.02719.01
5.4.160.0000.05019.01
5.4.150.0000.06718.79
5.4.140.0070.03016.39
5.4.130.0030.07716.27
5.4.120.0000.06316.46
5.4.110.0030.07716.43
5.4.100.0000.07316.43
5.4.90.0000.07316.23
5.4.80.0000.06316.34
5.4.70.0070.05716.41
5.4.60.0100.06316.39
5.4.50.0030.05716.23
5.4.40.0000.08016.38
5.4.30.0100.07016.23
5.4.20.0030.07016.31
5.4.10.0100.05716.41
5.4.00.0070.03715.86
5.3.290.0000.05014.66
5.3.280.0030.03014.58
5.3.270.0000.03714.52
5.3.260.0000.03714.63
5.3.250.0030.06314.59
5.3.240.0000.08014.58
5.3.230.0100.05014.41
5.3.220.0000.07314.55
5.3.210.0030.07314.56
5.3.200.0030.06714.55
5.3.190.0030.05314.57
5.3.180.0070.07314.57
5.3.170.0030.06314.58
5.3.160.0000.04014.42
5.3.150.0000.07714.53
5.3.140.0030.05014.49
5.3.130.0030.07714.53
5.3.120.0030.08014.45
5.3.110.0030.06314.45
5.3.100.0000.08014.03
5.3.90.0030.04713.85
5.3.80.0070.07014.02
5.3.70.0000.06713.92
5.3.60.0030.07714.00
5.3.50.0000.05013.92
5.3.40.0030.06313.93
5.3.30.0070.05313.90
5.3.20.0070.06713.68
5.3.10.0000.07013.51
5.3.00.0000.04013.49
5.2.170.0070.06312.37
5.2.160.0000.03712.37
5.2.150.0030.04312.37
5.2.140.0000.06712.37
5.2.130.0030.06012.37
5.2.120.0030.05012.37
5.2.110.0000.04712.37
5.2.100.0030.06012.37
5.2.90.0070.04312.37
5.2.80.0030.06012.37
5.2.70.0030.06712.37
5.2.60.0000.04312.37
5.2.50.0030.05012.37
5.2.40.0000.05312.37
5.2.30.0000.06712.37
5.2.20.0000.03712.37
5.2.10.0030.06012.37
5.2.00.0070.06012.37
5.1.60.0030.05712.37
5.1.50.0000.06012.37
5.1.40.0000.05312.37
5.1.30.0000.05012.37
5.1.20.0000.05312.37
5.1.10.0070.05012.37
5.1.00.0000.05712.37
5.0.50.0030.04712.37
5.0.40.0000.04012.37
5.0.30.0030.05712.37
5.0.20.0000.03012.37
5.0.10.0070.04012.37
5.0.00.0070.06312.37
4.4.90.0000.03012.37
4.4.80.0000.03312.37
4.4.70.0000.01712.37
4.4.60.0030.01312.37
4.4.50.0030.01312.37
4.4.40.0030.03712.37
4.4.30.0000.03012.37
4.4.20.0070.03312.37
4.4.10.0070.03012.37
4.4.00.0030.05712.37
4.3.110.0000.03312.37
4.3.100.0030.02712.37
4.3.90.0030.03312.37
4.3.80.0030.05312.37
4.3.70.0000.03712.37
4.3.60.0000.03712.37
4.3.50.0000.03712.37
4.3.40.0030.05012.37
4.3.30.0000.03712.37
4.3.20.0000.04012.37
4.3.10.0000.03012.37
4.3.00.0000.03312.37

preferences:
44.15 ms | 400 KiB | 5 Q