3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abcde"; isset($str[5]);

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)
8.3.60.0120.00318.18
8.3.50.0170.00316.39
8.3.40.0140.00018.70
8.3.30.0040.01118.67
8.3.20.0080.00018.67
8.3.10.0000.00823.53
8.3.00.0000.00821.45
8.2.180.0140.00716.38
8.2.170.0170.00322.96
8.2.160.0100.00322.96
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.36
8.2.110.0000.01021.00
8.2.100.0060.00617.66
8.2.90.0030.00818.03
8.2.80.0070.00318.04
8.2.70.0060.00317.79
8.2.60.0080.00017.97
8.2.50.0040.00418.10
8.2.40.0000.00719.48
8.2.30.0040.00419.29
8.2.20.0040.00417.88
8.2.10.0050.00319.77
8.2.00.0050.00317.45
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0090.00022.16
8.1.230.0040.00720.96
8.1.220.0040.00417.74
8.1.210.0000.00719.05
8.1.200.0100.00717.09
8.1.190.0040.00417.30
8.1.180.0030.00618.10
8.1.170.0000.00818.34
8.1.160.0040.00418.80
8.1.150.0040.00418.82
8.1.140.0070.00022.10
8.1.130.0030.00320.08
8.1.120.0040.00717.36
8.1.110.0030.00517.42
8.1.100.0030.00517.31
8.1.90.0040.00417.39
8.1.80.0060.00417.36
8.1.70.0070.00517.34
8.1.60.0070.00717.49
8.1.50.0060.00617.38
8.1.40.0170.00217.43
8.1.30.0130.00517.54
8.1.20.0120.00617.54
8.1.10.0170.00317.47
8.1.00.0130.00417.46
8.0.300.0000.00719.71
8.0.290.0060.00316.58
8.0.280.0050.00318.37
8.0.270.0070.00016.80
8.0.260.0040.00422.05
8.0.250.0030.00316.89
8.0.240.0030.00316.92
8.0.230.0070.00016.88
8.0.220.0030.00616.70
8.0.210.0040.00516.76
8.0.200.0070.00516.82
8.0.190.0090.00216.77
8.0.180.0120.00416.77
8.0.170.0060.00716.78
8.0.160.0120.00516.76
8.0.150.0090.00716.76
8.0.140.0110.00316.68
8.0.130.0090.00615.85
8.0.120.0120.00516.73
8.0.110.0110.00516.81
8.0.100.0120.00416.78
8.0.90.0060.00716.72
8.0.80.0120.00616.77
8.0.70.0120.00316.70
8.0.60.0090.00516.77
8.0.50.0110.00316.75
8.0.30.0130.00416.81
8.0.20.0090.00817.05
8.0.10.0130.00616.86
8.0.00.0110.00616.86
7.4.330.0030.00315.55
7.4.320.0050.00216.45
7.4.300.0050.00216.46
7.4.290.0040.00616.42
7.4.280.0110.00416.42
7.4.270.0110.00716.48
7.4.260.0130.00516.43
7.4.250.0090.00816.43
7.4.240.0110.00316.43
7.4.230.0070.00616.41
7.4.220.0080.00516.50
7.4.210.0080.00616.47
7.4.200.0080.00516.39
7.4.190.0120.00716.44
7.4.180.0120.00716.53
7.4.160.0120.00616.45
7.4.150.0110.00416.43
7.4.140.0100.00817.29
7.4.130.0110.00616.40
7.4.120.0100.00916.39
7.4.110.0110.00816.35
7.4.100.0120.00516.42
7.4.90.0110.00416.30
7.4.80.0070.00617.01
7.4.70.0120.00516.40
7.4.60.0110.00616.44
7.4.50.0090.00616.24
7.4.40.0110.00516.27
7.4.30.0130.00316.28
7.4.20.0150.00316.25
7.4.10.0090.00816.04
7.4.00.0080.00715.92
7.3.330.0140.00215.46
7.3.320.0090.00615.40
7.3.310.0120.00316.12
7.3.300.0140.00116.14
7.3.290.0130.00216.18
7.3.280.0120.00516.22
7.3.270.0100.00816.11
7.3.260.0150.00516.21
7.3.250.0140.00416.19
7.3.240.0110.00716.24
7.3.230.0110.00716.13
7.3.220.0120.00615.99
7.3.210.0100.00916.09
7.3.200.0130.00516.10
7.3.190.0110.00616.11
7.3.180.0130.00516.02
7.3.170.0110.00816.11
7.3.160.0140.00316.08
7.3.150.0140.00416.03
7.3.140.0140.00516.01
7.3.130.0100.00915.84
7.3.120.0130.00515.74
7.3.110.0120.00615.73
7.3.100.0140.00315.70
7.3.90.0150.00116.06
7.3.80.0120.00415.65
7.3.70.0090.00915.58
7.3.60.0100.00715.75
7.3.50.0120.00315.48
7.3.40.0100.00615.47
7.3.30.0090.00715.34
7.3.20.0290.00616.09
7.3.10.0570.00916.04
7.3.00.0140.00616.05
7.2.340.0160.00116.16
7.2.330.0110.00716.15
7.2.320.0130.00516.22
7.2.310.0130.00616.27
7.2.300.0090.00816.30
7.2.290.0120.00616.28
7.2.280.0120.00516.16
7.2.270.0130.00516.15
7.2.260.0100.00915.87
7.2.250.0120.00616.00
7.2.240.0090.00815.90
7.2.230.0120.00515.93
7.2.220.0110.00715.93
7.2.210.0130.00415.76
7.2.200.0130.00515.82
7.2.190.0110.00615.82
7.2.180.0080.00915.64
7.2.170.0070.01015.70
7.2.160.0100.00615.47
7.2.150.0290.00816.28
7.2.140.1010.00916.31
7.2.130.0140.00516.33
7.2.120.0150.00516.30
7.2.110.0250.00716.17
7.2.100.0280.00716.22
7.2.90.0270.00916.09
7.2.80.0220.00816.08
7.2.70.0250.00616.13
7.2.60.0520.00816.13
7.2.50.0490.00616.16
7.2.40.0660.00616.11
7.2.30.0690.00716.13
7.2.20.0560.00616.26
7.2.10.0480.00416.14
7.2.00.0550.00516.09
7.1.330.0100.00616.12
7.1.320.0110.00616.16
7.1.310.0190.00515.73
7.1.300.0230.00615.77
7.1.290.0110.00615.71
7.1.280.0120.00615.40
7.1.270.0320.00615.29
7.1.260.0130.00615.20
7.1.250.0110.00515.17
7.1.240.0150.00715.23
7.1.230.0850.00815.05
7.1.220.0700.00715.05
7.1.210.0620.00715.08
7.1.200.0270.00515.10
7.1.190.0510.00515.09
7.1.180.0550.00515.08
7.1.170.0500.00715.05
7.1.160.0670.00615.07
7.1.150.0600.00815.15
7.1.140.0530.00715.05
7.1.130.0570.00515.03
7.1.120.0440.00615.06
7.1.110.0510.00614.97
7.1.100.0570.00415.06
7.1.90.0470.00515.06
7.1.80.0470.00715.04
7.1.70.0570.00814.96
7.1.60.0460.00917.07
7.1.50.0420.00817.00
7.1.40.0550.00617.06
7.1.30.0490.00717.04
7.1.20.0580.00716.95
7.1.10.0460.00615.04
7.1.00.0510.00615.03
7.0.330.0160.00414.80
7.0.320.0130.00515.88
7.0.310.0120.00615.94
7.0.300.0140.00415.82
7.0.290.0120.00715.85
7.0.280.0160.00215.92
7.0.270.0140.00515.91
7.0.260.0200.00315.86
7.0.250.0130.00516.14
7.0.240.0130.00516.12
7.0.230.0140.00416.03
7.0.220.0150.00416.06
7.0.210.0140.00816.00
7.0.200.0150.00416.00
7.0.190.0110.00716.05
7.0.180.0130.00516.02
7.0.170.0110.00615.96
7.0.160.0120.00615.89
7.0.150.0140.00615.91
7.0.140.0150.00415.92
7.0.130.0140.00516.03
7.0.120.0140.00416.01
7.0.110.0140.00715.91
7.0.100.0150.00415.94
7.0.90.0130.00515.80
7.0.80.0120.00615.84
7.0.70.0160.00315.78
7.0.60.0140.00416.00
7.0.50.0140.00415.83
7.0.40.0210.00715.96
7.0.30.0150.00616.00
7.0.20.0090.00815.83
7.0.10.0130.00515.91
7.0.00.0130.00615.84
5.6.400.0110.00615.05
5.6.390.0110.00815.11
5.6.380.0120.00615.00
5.6.370.0160.00315.65
5.6.360.0130.00515.69
5.6.350.0140.00615.69
5.6.340.0140.00415.69
5.6.330.0090.00915.67
5.6.320.0130.00515.70
5.6.310.0110.00615.71
5.6.300.0130.00415.58
5.6.290.0130.00415.69
5.6.280.0150.00415.69
5.6.270.0150.00215.64
5.6.260.0130.00415.69
5.6.250.0130.00515.63
5.6.240.0140.00315.66
5.6.230.0130.00415.70
5.6.220.0140.00415.68
5.6.210.0120.00615.72
5.6.200.0160.00315.75
5.6.190.0140.00515.78
5.6.180.0150.00515.74
5.6.170.0140.00515.72
5.6.160.0140.00315.79
5.6.150.0120.00615.82
5.6.140.0120.00615.67
5.6.130.0130.00515.65
5.6.120.0150.00315.72
5.6.110.0140.00515.52
5.6.100.0130.00515.65
5.6.90.0140.00515.71
5.6.80.0110.00615.63
5.6.70.0120.00615.73
5.6.60.0130.00415.74
5.6.50.0130.00515.59
5.6.40.0120.00615.58
5.6.30.0130.00515.59
5.6.20.0100.00715.63
5.6.10.0130.00515.49
5.6.00.0130.00515.51

preferences:
64.14 ms | 400 KiB | 5 Q