3v4l.org

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

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)
8.3.60.0070.01018.31
8.3.50.0070.00718.04
8.3.40.0100.00618.84
8.3.30.0060.00918.82
8.3.20.0040.00419.18
8.3.10.0050.00323.57
8.3.00.0090.00020.55
8.2.180.0070.00716.38
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0000.00924.18
8.2.140.0050.00324.66
8.2.130.0080.00019.82
8.2.120.0040.00426.35
8.2.110.0100.00021.09
8.2.100.0060.00617.84
8.2.90.0050.00317.97
8.2.80.0000.00817.97
8.2.70.0050.00317.91
8.2.60.0040.00418.03
8.2.50.0000.00818.10
8.2.40.0020.00519.30
8.2.30.0070.00019.12
8.2.20.0040.00418.13
8.2.10.0040.00417.92
8.2.00.0040.00417.62
8.1.280.0130.00325.92
8.1.270.0050.00320.63
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.08
8.1.230.0060.00620.93
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0050.00517.13
8.1.190.0050.00317.39
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0020.00518.86
8.1.150.0000.00718.73
8.1.140.0000.00722.05
8.1.130.0070.00020.25
8.1.120.0030.00617.42
8.1.110.0030.00617.37
8.1.100.0000.00717.45
8.1.90.0080.00017.36
8.1.80.0030.00617.40
8.1.70.0000.00717.29
8.1.60.0000.00817.52
8.1.50.0000.00817.38
8.1.40.0040.00417.43
8.1.30.0040.00417.57
8.1.20.0040.00417.47
8.1.10.0080.00017.61
8.1.00.0000.00817.36
8.0.300.0040.00419.62
8.0.290.0000.00716.58
8.0.280.0000.00718.36
8.0.270.0000.00817.05
8.0.260.0030.00318.28
8.0.250.0000.00916.90
8.0.240.0000.00716.88
8.0.230.0070.00016.76
8.0.220.0000.00816.84
8.0.210.0000.00716.87
8.0.200.0020.00516.84
8.0.190.0040.00316.87
8.0.180.0000.00816.84
8.0.170.0050.00316.86
8.0.160.0070.00016.86
8.0.150.0040.00416.65
8.0.140.0000.00716.82
8.0.130.0060.00013.21
8.0.120.0030.00516.83
8.0.110.0040.00416.89
8.0.100.0040.00416.82
8.0.90.0050.00216.70
8.0.80.0100.00716.78
8.0.70.0070.00016.68
8.0.60.0000.00716.79
8.0.50.0070.00016.82
8.0.30.0080.00717.14
8.0.20.0120.00717.40
8.0.10.0040.00416.91
8.0.00.0060.01116.61
7.4.330.0060.00015.55
7.4.320.0030.00316.48
7.4.300.0000.00616.59
7.4.290.0020.00516.48
7.4.280.0040.00416.51
7.4.270.0030.00316.52
7.4.260.0040.00416.44
7.4.250.0050.00316.57
7.4.240.0040.00416.51
7.4.230.0030.00316.33
7.4.220.0040.00416.70
7.4.210.0090.00816.63
7.4.200.0070.00016.39
7.4.160.0120.00516.41
7.4.140.0090.01017.86
7.4.130.0040.01216.39
7.4.120.0110.00816.57
7.4.110.0140.00716.55
7.4.100.0070.01516.49
7.4.90.0100.00716.49
7.4.80.0050.01519.39
7.4.70.0160.00616.50
7.4.60.0090.00616.36
7.4.50.0070.00716.60
7.4.40.0120.00416.39
7.4.00.0040.01115.04
7.3.330.0000.00613.04
7.3.320.0000.00612.91
7.3.310.0060.00316.34
7.3.300.0050.00216.06
7.3.290.0000.00716.20
7.3.280.0100.00616.19
7.3.260.0130.00816.44
7.3.240.0100.00816.46
7.3.230.0130.00316.16
7.3.210.0090.00916.25
7.3.200.0110.00716.43
7.3.190.0120.00916.45
7.3.180.0130.01016.46
7.3.170.0100.01316.28
7.3.160.0170.00316.48
7.2.330.0130.00316.48
7.2.320.0070.01116.36
7.2.310.0150.00616.54
7.2.300.0060.01016.59
7.2.290.0110.00716.54
7.2.110.0300.00614.77
7.2.100.0300.01114.66
7.2.90.0270.01014.49
7.2.80.0450.00414.29
7.2.70.0350.01314.95
7.2.60.0600.00314.72
7.2.50.0310.00715.08
7.2.40.0030.01614.97
7.2.30.0300.00514.51
7.2.20.0090.00614.73
7.2.10.0150.00315.11
7.2.00.0420.00614.84
7.1.230.0340.00313.77
7.1.220.0310.00313.91
7.1.210.0480.00313.75
7.1.200.0260.00713.88
7.1.190.0310.00613.79
7.1.180.0040.01113.66
7.1.170.0100.00513.93
7.1.160.0100.00713.95
7.1.150.0510.00613.81
7.1.140.0500.01213.57
7.1.130.0290.01013.89
7.1.120.0510.00313.98
7.1.110.0140.00813.78
7.1.100.0090.00914.07
7.1.90.0220.01014.00
7.1.80.0060.01213.68
7.1.70.0070.00714.00
7.1.60.0380.00731.71
7.1.50.0360.01331.89
7.1.40.0600.01031.79
7.1.30.0350.00731.78
7.1.20.0290.00631.61
7.1.10.0370.00613.82
7.1.00.0360.00713.78
5.6.380.0080.00414.22

preferences:
58.02 ms | 401 KiB | 5 Q