3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abababas"; $d1 = []; $d2 = []; var_dump($str[3]);

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)
8.3.60.0110.00416.38
8.3.50.0270.00921.99
8.3.40.0150.00618.71
8.3.30.0100.00318.73
8.3.20.0030.00520.34
8.3.10.0030.01023.70
8.3.00.0050.00319.79
8.2.180.0110.00716.50
8.2.170.0030.01022.96
8.2.160.0070.00720.53
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0060.00320.99
8.2.120.0030.00526.35
8.2.110.0060.00322.02
8.2.100.0060.00619.63
8.2.90.0080.00019.13
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0060.00318.04
8.2.50.0000.00818.07
8.2.40.0000.00819.53
8.2.30.0070.00020.50
8.2.20.0000.00717.74
8.2.10.0050.00318.05
8.2.00.0030.00518.02
8.1.280.0030.01025.92
8.1.270.0040.00418.72
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0070.00323.95
8.1.230.0060.00619.09
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0000.00817.10
8.1.190.0040.00417.51
8.1.180.0060.00318.10
8.1.170.0040.00418.61
8.1.160.0000.00720.70
8.1.150.0080.00018.86
8.1.140.0030.00619.54
8.1.130.0070.00017.59
8.1.120.0000.00717.41
8.1.110.0040.00417.37
8.1.100.0080.00017.36
8.1.90.0000.00817.41
8.1.80.0070.00017.36
8.1.70.0030.00317.22
8.1.60.0030.00617.50
8.1.50.0040.00417.46
8.1.40.0040.00417.38
8.1.30.0040.00417.49
8.1.20.0040.00417.54
8.1.10.0000.00717.61
8.1.00.0000.00817.40
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.25
8.0.270.0040.00417.19
8.0.260.0030.00317.11
8.0.250.0070.00016.79
8.0.240.0030.00316.82
8.0.230.0030.00316.79
8.0.220.0030.00516.74
8.0.210.0070.00016.79
8.0.200.0030.00316.77
8.0.190.0050.00316.86
8.0.180.0030.00516.91
8.0.170.0040.00416.76
8.0.160.0040.00416.76
8.0.150.0040.00416.82
8.0.140.0040.00716.78
8.0.130.0070.00013.31
8.0.120.0000.00716.71
8.0.110.0000.00716.80
8.0.100.0030.00516.78
8.0.90.0040.00416.72
8.0.80.0110.00816.75
8.0.70.0000.00716.89
8.0.60.0040.00416.82
8.0.50.0000.00716.61
8.0.30.0120.00316.93
8.0.20.0140.00517.40
8.0.10.0030.00516.81
8.0.00.0120.01016.75
7.4.330.0020.00216.79
7.4.320.0060.00016.54
7.4.300.0000.00616.45
7.4.290.0030.00316.46
7.4.280.0060.00316.29
7.4.270.0000.00716.37
7.4.260.0000.00716.47
7.4.250.0040.00416.50
7.4.240.0040.00416.45
7.4.230.0040.00416.63
7.4.220.0100.01616.44
7.4.210.0110.00916.49
7.4.200.0070.00016.64
7.4.160.0120.00416.43
7.4.150.0160.00617.40
7.4.140.0070.01117.86
7.4.130.0120.01216.40
7.4.120.0140.00316.60
7.4.110.0140.00316.28
7.4.100.0100.00716.34
7.4.90.0090.00916.61
7.4.80.0030.01419.39
7.4.70.0100.00716.45
7.4.60.0070.01016.38
7.4.50.0070.00716.34
7.4.40.0090.00616.41
7.4.30.0100.00616.51
7.4.00.0090.00614.62
7.3.330.0020.00213.01
7.3.320.0000.00512.96
7.3.310.0040.00416.14
7.3.300.0030.00316.19
7.3.290.0050.00916.24
7.3.280.0090.00616.21
7.3.270.0070.01117.40
7.3.260.0130.00316.28
7.3.250.0080.01016.32
7.3.240.0070.01216.27
7.3.230.0120.00616.39
7.3.210.0070.01016.05
7.3.200.0030.01316.36
7.3.190.0030.01316.20
7.3.180.0040.01216.17
7.3.170.0040.01216.65
7.3.160.0080.00816.18
7.2.330.0130.00316.60
7.2.320.0100.01016.61
7.2.310.0040.01316.32
7.2.300.0100.00716.51
7.2.290.0060.01016.58
7.2.00.0060.00619.15
7.1.100.0040.00818.14
7.1.70.0050.00517.27
7.1.60.0070.01419.50
7.1.50.0110.01416.91
7.1.00.0030.07722.48
7.0.200.0030.00616.63
7.0.60.0030.09020.04
7.0.50.0030.04017.80
7.0.40.0100.07720.24
7.0.30.0130.04720.12
7.0.20.0200.04720.16
7.0.10.0070.08320.09
7.0.00.0070.07320.19
5.6.280.0000.04021.06
5.6.210.0070.08320.69
5.6.200.0030.09018.18
5.6.190.0070.08020.35
5.6.180.0330.04020.39
5.6.170.0230.04020.33
5.6.160.0100.08020.40
5.6.150.0030.04318.18
5.6.140.0070.07318.16
5.6.130.0030.04018.23
5.6.120.0100.03721.14
5.6.110.0070.04020.97
5.6.100.0130.07721.00
5.6.90.0070.04721.01
5.6.80.0100.07720.52
5.5.350.0030.08020.31
5.5.340.0000.08318.01
5.5.330.0070.07720.40
5.5.320.0000.07020.11
5.5.310.0230.06720.27
5.5.300.0130.05317.98
5.5.290.0100.08018.01
5.5.280.0170.05020.64
5.5.270.0000.09020.82
5.5.260.0200.06020.71
5.5.250.0130.06720.68
5.5.240.0270.06320.18

preferences:
53.93 ms | 401 KiB | 5 Q